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354680352 = 253213611553
BaseRepresentation
bin10101001000111…
…111111000100000
3220201101121222100
4111020333320200
51211244232402
655110010400
711534506335
oct2510777040
9821347870
10354680352
11172231664
129a946a00
1358634640
143516898c
152121071c
hex1523fe20

354680352 has 144 divisors (see below), whose sum is σ = 1104726168. Its totient is φ = 107274240.

The previous prime is 354680351. The next prime is 354680357. The reversal of 354680352 is 253086453.

It is a happy number.

354680352 is a `hidden beast` number, since 3 + 546 + 80 + 35 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 67174416 + 287505936 = 8196^2 + 16956^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (354680351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227608 + ... + 229160.

Almost surely, 2354680352 is an apocalyptic number.

354680352 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 354680352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (552363084).

354680352 is an abundant number, since it is smaller than the sum of its proper divisors (750045816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

354680352 is a wasteful number, since it uses less digits than its factorization.

354680352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1643 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 354680352 is about 18832.9591939238. The cubic root of 354680352 is about 707.8572919303.

The spelling of 354680352 in words is "three hundred fifty-four million, six hundred eighty thousand, three hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 13 16 18 24 26 32 36 39 48 52 61 72 78 96 104 117 122 144 156 183 208 234 244 288 312 366 416 468 488 549 624 732 793 936 976 1098 1248 1464 1553 1586 1872 1952 2196 2379 2928 3106 3172 3744 4392 4659 4758 5856 6212 6344 7137 8784 9318 9516 12424 12688 13977 14274 17568 18636 19032 20189 24848 25376 27954 28548 37272 38064 40378 49696 55908 57096 60567 74544 76128 80756 94733 111816 114192 121134 149088 161512 181701 189466 223632 228384 242268 284199 323024 363402 378932 447264 484536 568398 646048 726804 757864 852597 969072 1136796 1231529 1453608 1515728 1705194 1938144 2273592 2463058 2907216 3031456 3410388 3694587 4547184 4926116 5814432 6820776 7389174 9094368 9852232 11083761 13641552 14778348 19704464 22167522 27283104 29556696 39408928 44335044 59113392 88670088 118226784 177340176 354680352