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BaseRepresentation
bin1100100100111…
…00010011100111
321100111211211002
412102130103213
5204001412311
614245103515
72420500565
oct622342347
9240454732
10105497831
115460709a
122b3b7b9b
1318b1a06a
1410022a35
1593dd93b
hex649c4e7

105497831 has 2 divisors, whose sum is σ = 105497832. Its totient is φ = 105497830.

The previous prime is 105497813. The next prime is 105497863. The reversal of 105497831 is 138794501.

Together with previous prime (105497813) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 105497831 - 226 = 38388967 is a prime.

It is a super-2 number, since 2×1054978312 = 22259584691409122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (105497881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52748915 + 52748916.

It is an arithmetic number, because the mean of its divisors is an integer number (52748916).

Almost surely, 2105497831 is an apocalyptic number.

105497831 is a deficient number, since it is larger than the sum of its proper divisors (1).

105497831 is an equidigital number, since it uses as much as digits as its factorization.

105497831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The square root of 105497831 is about 10271.2137062764. The cubic root of 105497831 is about 472.5138146255.

The spelling of 105497831 in words is "one hundred five million, four hundred ninety-seven thousand, eight hundred thirty-one".