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105789631 is a prime number
BaseRepresentation
bin1100100111000…
…11100010111111
321101001200002111
412103203202333
5204040232011
614255234451
72423124403
oct623434277
9241050074
10105789631
1154796352
122b518a27
1318bbcb1c
141009b103
15944a121
hex64e38bf

105789631 has 2 divisors, whose sum is σ = 105789632. Its totient is φ = 105789630.

The previous prime is 105789617. The next prime is 105789637. The reversal of 105789631 is 136987501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 105789631 - 215 = 105756863 is a prime.

It is a super-2 number, since 2×1057896312 = 22382892054232322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105789637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52894815 + 52894816.

It is an arithmetic number, because the mean of its divisors is an integer number (52894816).

Almost surely, 2105789631 is an apocalyptic number.

105789631 is a deficient number, since it is larger than the sum of its proper divisors (1).

105789631 is an equidigital number, since it uses as much as digits as its factorization.

105789631 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 40.

The square root of 105789631 is about 10285.4086452605. The cubic root of 105789631 is about 472.9490608699.

The spelling of 105789631 in words is "one hundred five million, seven hundred eighty-nine thousand, six hundred thirty-one".