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352054031 = 7239722543
BaseRepresentation
bin10100111110111…
…110101100001111
3220112110012100012
4110332332230033
51210111212111
654533423435
711503260410
oct2476765417
9815405305
10352054031
111707a844a
1299a9ab7b
1357c250c4
1434a83807
1520d9248b
hex14fbeb0f

352054031 has 16 divisors (see below), whose sum is σ = 424187904. Its totient is φ = 285652224.

The previous prime is 352054013. The next prime is 352054039. The reversal of 352054031 is 130450253.

It is a cyclic number.

It is not a de Polignac number, because 352054031 - 26 = 352053967 is a prime.

It is a super-2 number, since 2×3520540312 = 247884081486697922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a junction number, because it is equal to n+sod(n) for n = 352053988 and 352054006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352054039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4346 + ... + 26888.

It is an arithmetic number, because the mean of its divisors is an integer number (26511744).

Almost surely, 2352054031 is an apocalyptic number.

352054031 is a deficient number, since it is larger than the sum of its proper divisors (72133873).

352054031 is a wasteful number, since it uses less digits than its factorization.

352054031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22670.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 352054031 is about 18763.1029150298. The cubic root of 352054031 is about 706.1057917796.

The spelling of 352054031 in words is "three hundred fifty-two million, fifty-four thousand, thirty-one".

Divisors: 1 7 23 97 161 679 2231 15617 22543 157801 518489 2186671 3629423 15306697 50293433 352054031