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51057523 = 1122331811
BaseRepresentation
bin1100001011000…
…1001101110011
310120001222202101
43002301031303
5101032320043
65022201231
71156660516
oct302611563
9116058671
1051057523
1126903300
1215123217
13a76886a
146ad0d7d
15473824d
hex30b1373

51057523 has 12 divisors (see below), whose sum is σ = 56393064. Its totient is φ = 46191200.

The previous prime is 51057509. The next prime is 51057529. The reversal of 51057523 is 32575015.

51057523 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51057523 - 29 = 51057011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51057491 and 51057500.

It is not an unprimeable number, because it can be changed into a prime (51057529) 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 11 ways as a sum of consecutive naturals, for example, 27288 + ... + 29098.

It is an arithmetic number, because the mean of its divisors is an integer number (4699422).

Almost surely, 251057523 is an apocalyptic number.

51057523 is a deficient number, since it is larger than the sum of its proper divisors (5335541).

51057523 is a wasteful number, since it uses less digits than its factorization.

51057523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066 (or 2055 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 51057523 is about 7145.4547091140. The cubic root of 51057523 is about 370.9823493805.

The spelling of 51057523 in words is "fifty-one million, fifty-seven thousand, five hundred twenty-three".

Divisors: 1 11 121 233 1811 2563 19921 28193 219131 421963 4641593 51057523