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52168847 = 436119889
BaseRepresentation
bin1100011100000…
…0100010001111
310122011110012112
43013000202033
5101323400342
65102054235
71202266523
oct307004217
9118143175
1052168847
11274a2255
121557a37b
13aa67653
146cddd83
1548a7682
hex31c088f

52168847 has 8 divisors (see below), whose sum is σ = 54259920. Its totient is φ = 50117760.

The previous prime is 52168819. The next prime is 52168849. The reversal of 52168847 is 74886125.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-52168847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52168849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7322 + ... + 12567.

It is an arithmetic number, because the mean of its divisors is an integer number (6782490).

Almost surely, 252168847 is an apocalyptic number.

52168847 is a deficient number, since it is larger than the sum of its proper divisors (2091073).

52168847 is a wasteful number, since it uses less digits than its factorization.

52168847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19993.

The product of its digits is 107520, while the sum is 41.

The square root of 52168847 is about 7222.8004956526. The cubic root of 52168847 is about 373.6546685121.

The spelling of 52168847 in words is "fifty-two million, one hundred sixty-eight thousand, eight hundred forty-seven".

Divisors: 1 43 61 2623 19889 855227 1213229 52168847