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54827631 = 332030653
BaseRepresentation
bin1101000100100…
…1101001101111
310211011112101000
43101021221233
5103013441011
65235051343
71234012215
oct321115157
9124145330
1054827631
1128a488a1
1216440b53
13b4888b1
1473d2cb5
154c30356
hex3449a6f

54827631 has 8 divisors (see below), whose sum is σ = 81226160. Its totient is φ = 36551736.

The previous prime is 54827629. The next prime is 54827639. The reversal of 54827631 is 13672845.

It is not a de Polignac number, because 54827631 - 21 = 54827629 is a prime.

It is a super-2 number, since 2×548276312 = 6012138242144322, 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 (54827639) 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, 1015300 + ... + 1015353.

It is an arithmetic number, because the mean of its divisors is an integer number (10153270).

Almost surely, 254827631 is an apocalyptic number.

54827631 is a deficient number, since it is larger than the sum of its proper divisors (26398529).

54827631 is a wasteful number, since it uses less digits than its factorization.

54827631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2030662 (or 2030656 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 54827631 is about 7404.5682520995. The cubic root of 54827631 is about 379.8975508676.

The spelling of 54827631 in words is "fifty-four million, eight hundred twenty-seven thousand, six hundred thirty-one".

Divisors: 1 3 9 27 2030653 6091959 18275877 54827631