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105900893 = 715128699
BaseRepresentation
bin1100100111111…
…10101101011101
321101021022201022
412103332231131
5204102312033
614301453525
72424066650
oct623765535
9241238638
10105900893
11548619aa
122b5712a5
1318c2b667
14100c9897
15946d098
hex64feb5d

105900893 has 4 divisors (see below), whose sum is σ = 121029600. Its totient is φ = 90772188.

The previous prime is 105900877. The next prime is 105900911. The reversal of 105900893 is 398009501.

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 105900893 - 24 = 105900877 is a prime.

It is a super-2 number, since 2×1059008932 = 22429998276394898, 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 (105900853) 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, 7564343 + ... + 7564356.

It is an arithmetic number, because the mean of its divisors is an integer number (30257400).

Almost surely, 2105900893 is an apocalyptic number.

It is an amenable number.

105900893 is a deficient number, since it is larger than the sum of its proper divisors (15128707).

105900893 is an equidigital number, since it uses as much as digits as its factorization.

105900893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15128706.

The product of its (nonzero) digits is 9720, while the sum is 35.

The square root of 105900893 is about 10290.8159540437. The cubic root of 105900893 is about 473.1148074903.

The spelling of 105900893 in words is "one hundred five million, nine hundred thousand, eight hundred ninety-three".

Divisors: 1 7 15128699 105900893