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3230561631 = 31197895807
BaseRepresentation
bin1100000010001110…
…0111010101011111
322100010212112102210
43000203213111133
523104010433011
61252322051503
7143025215013
oct30043472537
98303775383
103230561631
111408627850
12761aa9b93
133c63ac33b
142290a2543
1513d9386a6
hexc08e755f

3230561631 has 8 divisors (see below), whose sum is σ = 4698998784. Its totient is φ = 1957916120.

The previous prime is 3230561627. The next prime is 3230561641. The reversal of 3230561631 is 1361650323.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 3230561631 - 22 = 3230561627 is a prime.

It is a super-2 number, since 2×32305616312 = 20873056903378760322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3230561641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48947871 + ... + 48947936.

It is an arithmetic number, because the mean of its divisors is an integer number (587374848).

Almost surely, 23230561631 is an apocalyptic number.

3230561631 is a deficient number, since it is larger than the sum of its proper divisors (1468437153).

3230561631 is a wasteful number, since it uses less digits than its factorization.

3230561631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97895821.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3230561631 is about 56838.0297951996. The cubic root of 3230561631 is about 1478.2889940537.

The spelling of 3230561631 in words is "three billion, two hundred thirty million, five hundred sixty-one thousand, six hundred thirty-one".

Divisors: 1 3 11 33 97895807 293687421 1076853877 3230561631