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52631869 = 476411747
BaseRepresentation
bin1100100011000…
…1100100111101
310200000222100111
43020301210331
5101433204434
65120030021
71206235453
oct310614475
9120028314
1052631869
1127789114
1215762311
13ab9a324
146dc09d3
154949964
hex323193d

52631869 has 8 divisors (see below), whose sum is σ = 53866368. Its totient is φ = 51402240.

The previous prime is 52631857. The next prime is 52631879. The reversal of 52631869 is 96813625.

52631869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 52631869 - 213 = 52623677 is a prime.

It is a super-2 number, since 2×526318692 = 5540227268866322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52631819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29254 + ... + 31000.

It is an arithmetic number, because the mean of its divisors is an integer number (6733296).

Almost surely, 252631869 is an apocalyptic number.

It is an amenable number.

52631869 is a deficient number, since it is larger than the sum of its proper divisors (1234499).

52631869 is a wasteful number, since it uses less digits than its factorization.

52631869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2435.

The product of its digits is 77760, while the sum is 40.

The square root of 52631869 is about 7254.7824915706. The cubic root of 52631869 is about 374.7568652101.

The spelling of 52631869 in words is "fifty-two million, six hundred thirty-one thousand, eight hundred sixty-nine".

Divisors: 1 47 641 1747 30127 82109 1119827 52631869