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345962916 = 223213977621
BaseRepresentation
bin10100100111101…
…111100110100100
3220002222201220100
4110213233212210
51202031303131
654155104100
711400431145
oct2447574644
9802881810
10345962916
11168318072
1297a42030
13568a17b0
1433d39acc
152058c7e6
hex149ef9a4

345962916 has 72 divisors (see below), whose sum is σ = 951621944. Its totient is φ = 105338880.

The previous prime is 345962891. The next prime is 345962921. The reversal of 345962916 is 619269543.

345962916 is a `hidden beast` number, since 3 + 4 + 5 + 9 + 629 + 16 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 50466816 + 295496100 = 7104^2 + 17190^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41586 + ... + 49206.

Almost surely, 2345962916 is an apocalyptic number.

345962916 is a gapful number since it is divisible by the number (36) 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 345962916, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475810972).

345962916 is an abundant number, since it is smaller than the sum of its proper divisors (605659028).

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

345962916 is a wasteful number, since it uses less digits than its factorization.

345962916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7741 (or 7736 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 345962916 is about 18600.0783869316. The cubic root of 345962916 is about 702.0098130949.

It can be divided in two parts, 34596 and 2916, that multiplied together give a square (100881936 = 100442).

The spelling of 345962916 in words is "three hundred forty-five million, nine hundred sixty-two thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 9 12 13 18 26 36 39 52 78 97 117 156 194 234 291 388 468 582 873 1164 1261 1746 2522 3492 3783 5044 7566 7621 11349 15132 15242 22698 22863 30484 45396 45726 68589 91452 99073 137178 198146 274356 297219 396292 594438 739237 891657 1188876 1478474 1783314 2217711 2956948 3566628 4435422 6653133 8870844 9610081 13306266 19220162 26612532 28830243 38440324 57660486 86490729 115320972 172981458 345962916