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342560381 = 2131160751
BaseRepresentation
bin10100011010110…
…000111001111101
3212212120212111112
4110122300321331
51200143413011
653554131405
711326500212
oct2432607175
9785525445
10342560381
11166403759
1296880b65
1355c7cb67
14336d1b09
152011958b
hex146b0e7d

342560381 has 4 divisors (see below), whose sum is σ = 342723264. Its totient is φ = 342397500.

The previous prime is 342560363. The next prime is 342560401. The reversal of 342560381 is 183065243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342560381 - 218 = 342298237 is a prime.

It is a super-2 number, since 2×3425603812 = 234695229261730322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342560681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78245 + ... + 82506.

It is an arithmetic number, because the mean of its divisors is an integer number (85680816).

Almost surely, 2342560381 is an apocalyptic number.

It is an amenable number.

342560381 is a deficient number, since it is larger than the sum of its proper divisors (162883).

342560381 is a wasteful number, since it uses less digits than its factorization.

342560381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162882.

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 342560381 is about 18508.3867746489. The cubic root of 342560381 is about 699.7008115973.

The spelling of 342560381 in words is "three hundred forty-two million, five hundred sixty thousand, three hundred eighty-one".

Divisors: 1 2131 160751 342560381