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355311161 = 2913039403
BaseRepresentation
bin10101001011011…
…001111000111001
3220202120200021122
4111023121320321
51211424424121
655131315025
711543044412
oct2513317071
9822520248
10355311161
11172622597
129ababa75
13587c57ba
1435290809
15212d75ab
hex152d9e39

355311161 has 8 divisors (see below), whose sum is σ = 367884480. Its totient is φ = 342759312.

The previous prime is 355311139. The next prime is 355311163. The reversal of 355311161 is 161113553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-355311161 is a prime.

It is a super-2 number, since 2×3553111612 = 252492042262335842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 355311161.

It is not an unprimeable number, because it can be changed into a prime (355311163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33086 + ... + 42488.

It is an arithmetic number, because the mean of its divisors is an integer number (45985560).

Almost surely, 2355311161 is an apocalyptic number.

It is an amenable number.

355311161 is a deficient number, since it is larger than the sum of its proper divisors (12573319).

355311161 is a wasteful number, since it uses less digits than its factorization.

355311161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10735.

The product of its digits is 1350, while the sum is 26.

The square root of 355311161 is about 18849.6992283697. The cubic root of 355311161 is about 708.2766914369.

The spelling of 355311161 in words is "three hundred fifty-five million, three hundred eleven thousand, one hundred sixty-one".

Divisors: 1 29 1303 9403 37787 272687 12252109 355311161