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52107768 = 2332799161
BaseRepresentation
bin1100011011000…
…1100111111000
310122001100102100
43012301213320
5101314422033
65100503400
71201623456
oct306614770
9118040370
1052107768
1127460379
121554ab60
13aa458cb
146cc59d6
154894513
hex31b19f8

52107768 has 48 divisors (see below), whose sum is σ = 142927200. Its totient is φ = 17147520.

The previous prime is 52107763. The next prime is 52107779. The reversal of 52107768 is 86770125.

52107768 is a `hidden beast` number, since 521 + 0 + 77 + 68 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52107763) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1108 + ... + 10268.

It is an arithmetic number, because the mean of its divisors is an integer number (2977650).

Almost surely, 252107768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52107768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71463600).

52107768 is an abundant number, since it is smaller than the sum of its proper divisors (90819432).

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

52107768 is a wasteful number, since it uses less digits than its factorization.

52107768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9252 (or 9245 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 52107768 is about 7218.5710497300. The cubic root of 52107768 is about 373.5087872859.

The spelling of 52107768 in words is "fifty-two million, one hundred seven thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 79 158 237 316 474 632 711 948 1422 1896 2844 5688 9161 18322 27483 36644 54966 73288 82449 109932 164898 219864 329796 659592 723719 1447438 2171157 2894876 4342314 5789752 6513471 8684628 13026942 17369256 26053884 52107768