Search a number
-
+
345995424 = 25321724157
BaseRepresentation
bin10100100111110…
…111100010100000
3220010001101111100
4110213313202200
51202033323144
654155514400
711400625005
oct2447674240
9803041440
10345995424
1116833a535
1297a58a00
13568b3528
1433d478ac
1520597269
hex149f78a0

345995424 has 108 divisors (see below), whose sum is σ = 1045458414. Its totient is φ = 108521472.

The previous prime is 345995423. The next prime is 345995471. The reversal of 345995424 is 424599543.

345995424 is a `hidden beast` number, since 3 + 4 + 599 + 54 + 2 + 4 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 341067024 + 4928400 = 18468^2 + 2220^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 345995424.

It is not an unprimeable number, because it can be changed into a prime (345995423) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 81154 + ... + 85310.

Almost surely, 2345995424 is an apocalyptic number.

345995424 is a gapful number since it is divisible by the number (34) 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 345995424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (522729207).

345995424 is an abundant number, since it is smaller than the sum of its proper divisors (699462990).

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

345995424 is a wasteful number, since it uses less digits than its factorization.

345995424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4207 (or 4179 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The square root of 345995424 is about 18600.9522336895. The cubic root of 345995424 is about 702.0318002494.

The spelling of 345995424 in words is "three hundred forty-five million, nine hundred ninety-five thousand, four hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 68 72 96 102 136 144 153 204 272 288 289 306 408 544 578 612 816 867 1156 1224 1632 1734 2312 2448 2601 3468 4157 4624 4896 5202 6936 8314 9248 10404 12471 13872 16628 20808 24942 27744 33256 37413 41616 49884 66512 70669 74826 83232 99768 133024 141338 149652 199536 212007 282676 299304 399072 424014 565352 598608 636021 848028 1130704 1197216 1201373 1272042 1696056 2261408 2402746 2544084 3392112 3604119 4805492 5088168 6784224 7208238 9610984 10176336 10812357 14416476 19221968 20352672 21624714 28832952 38443936 43249428 57665904 86498856 115331808 172997712 345995424