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52868631 = 3173310169
BaseRepresentation
bin1100100110101…
…1011000010111
310200111000010110
43021223120113
5102013244011
65125054103
71211242644
oct311533027
9120430113
1052868631
112792aa92
1215857333
13ac5101a
147042dcb
154994ba6
hex326b617

52868631 has 8 divisors (see below), whose sum is σ = 70539120. Its totient is φ = 35221952.

The previous prime is 52868611. The next prime is 52868633. The reversal of 52868631 is 13686825.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52868631 - 27 = 52868503 is a prime.

It is a super-2 number, since 2×528686312 = 5590184287628322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 52868631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52868633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115 + ... + 10283.

It is an arithmetic number, because the mean of its divisors is an integer number (8817390).

Almost surely, 252868631 is an apocalyptic number.

52868631 is a deficient number, since it is larger than the sum of its proper divisors (17670489).

52868631 is a wasteful number, since it uses less digits than its factorization.

52868631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11905.

The product of its digits is 69120, while the sum is 39.

The square root of 52868631 is about 7271.0818314746. The cubic root of 52868631 is about 375.3179667606.

The spelling of 52868631 in words is "fifty-two million, eight hundred sixty-eight thousand, six hundred thirty-one".

Divisors: 1 3 1733 5199 10169 30507 17622877 52868631