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105423025 = 5210633967
BaseRepresentation
bin1100100100010…
…10000010110001
321100101001012111
412102022002301
5203442014100
614243325321
72420036521
oct622120261
9240331174
10105423025
1154565974
122b380841
1318ac1cb6
1410003681
1593c66ba
hex648a0b1

105423025 has 12 divisors (see below), whose sum is σ = 130880512. Its totient is φ = 84237840.

The previous prime is 105422987. The next prime is 105423037. The reversal of 105423025 is 520324501.

It is not a de Polignac number, because 105423025 - 27 = 105422897 is a prime.

It is a super-2 number, since 2×1054230252 = 22228028400301250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 105422987 and 105423005.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24592 + ... + 28558.

Almost surely, 2105423025 is an apocalyptic number.

It is an amenable number.

105423025 is a deficient number, since it is larger than the sum of its proper divisors (25457487).

105423025 is a wasteful number, since it uses less digits than its factorization.

105423025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5040 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 105423025 is about 10267.5715239778. The cubic root of 105423025 is about 472.4021054529.

Adding to 105423025 its reverse (520324501), we get a palindrome (625747526).

The spelling of 105423025 in words is "one hundred five million, four hundred twenty-three thousand, twenty-five".

Divisors: 1 5 25 1063 3967 5315 19835 26575 99175 4216921 21084605 105423025