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52107864 = 2332171161
BaseRepresentation
bin1100011011000…
…1101001011000
310122001100112220
43012301221120
5101314422424
65100504040
71201623654
oct306615130
9118040486
1052107864
1127460456
121554b020
13aa45973
146cc5a64
154894579
hex31b1a58

52107864 has 16 divisors (see below), whose sum is σ = 130269720. Its totient is φ = 17369280.

The previous prime is 52107863. The next prime is 52107883. The reversal of 52107864 is 46870125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52107863) 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, 1085557 + ... + 1085604.

Almost surely, 252107864 is an apocalyptic number.

It is an amenable number.

52107864 is an abundant number, since it is smaller than the sum of its proper divisors (78161856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52107864 is a wasteful number, since it uses less digits than its factorization.

52107864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171170 (or 2171166 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 52107864 is about 7218.5776992424. The cubic root of 52107864 is about 373.5090166620.

Adding to 52107864 its reverse (46870125), we get a palindrome (98977989).

The spelling of 52107864 in words is "fifty-two million, one hundred seven thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 24 2171161 4342322 6513483 8684644 13026966 17369288 26053932 52107864