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52056207 = 327826289
BaseRepresentation
bin1100011010010…
…1000010001111
310121221201200200
43012211002033
5101311244312
65055424543
71201320240
oct306450217
9117851620
1052056207
1127425665
1215525153
13aa282b8
146cb0cc7
1548840dc
hex31a508f

52056207 has 12 divisors (see below), whose sum is σ = 85934160. Its totient is φ = 29746368.

The previous prime is 52056197. The next prime is 52056217. The reversal of 52056207 is 70265025.

It is an interprime number because it is at equal distance from previous prime (52056197) and next prime (52056217).

It is not a de Polignac number, because 52056207 - 27 = 52056079 is a prime.

It is a super-3 number, since 3×520562073 (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52056217) 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, 413082 + ... + 413207.

It is an arithmetic number, because the mean of its divisors is an integer number (7161180).

Almost surely, 252056207 is an apocalyptic number.

52056207 is a deficient number, since it is larger than the sum of its proper divisors (33877953).

52056207 is a wasteful number, since it uses less digits than its factorization.

52056207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826302 (or 826299 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 52056207 is about 7214.9987525986. The cubic root of 52056207 is about 373.3855501120.

The spelling of 52056207 in words is "fifty-two million, fifty-six thousand, two hundred seven".

Divisors: 1 3 7 9 21 63 826289 2478867 5784023 7436601 17352069 52056207