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52807692 = 2237289809
BaseRepresentation
bin1100100101110…
…0100000001100
310200100220112110
43021130200030
5102004321232
65123504020
71210600200
oct311344014
9120326473
1052807692
1127899223
1215828010
13ac2c372
147028b00
154981acc
hex325c80c

52807692 has 36 divisors (see below), whose sum is σ = 143336760. Its totient is φ = 15087744.

The previous prime is 52807687. The next prime is 52807693. The reversal of 52807692 is 29670825.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 52807692.

It is not an unprimeable number, because it can be changed into a prime (52807693) 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, 44317 + ... + 45492.

Almost surely, 252807692 is an apocalyptic number.

It is an amenable number.

52807692 is an abundant number, since it is smaller than the sum of its proper divisors (90529068).

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

52807692 is a wasteful number, since it uses less digits than its factorization.

52807692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89830 (or 89821 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 52807692 is about 7266.8901188885. The cubic root of 52807692 is about 375.1737079668.

The spelling of 52807692 in words is "fifty-two million, eight hundred seven thousand, six hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 49 84 98 147 196 294 588 89809 179618 269427 359236 538854 628663 1077708 1257326 1885989 2514652 3771978 4400641 7543956 8801282 13201923 17602564 26403846 52807692