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57947423 = 29268903
BaseRepresentation
bin1101110100001…
…1010100011111
311001001000220212
43131003110133
5104313304143
65430003035
71302354632
oct335032437
9131030825
1057947423
112a789836
12174a647b
13c00b921
1479a5c19
155149918
hex374351f

57947423 has 6 divisors (see below), whose sum is σ = 60015384. Its totient is φ = 55948424.

The previous prime is 57947399. The next prime is 57947443. The reversal of 57947423 is 32474975.

It is not a de Polignac number, because 57947423 - 214 = 57931039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57947443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33611 + ... + 35292.

It is an arithmetic number, because the mean of its divisors is an integer number (10002564).

Almost surely, 257947423 is an apocalyptic number.

57947423 is a deficient number, since it is larger than the sum of its proper divisors (2067961).

57947423 is an equidigital number, since it uses as much as digits as its factorization.

57947423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68961 (or 68932 counting only the distinct ones).

The product of its digits is 211680, while the sum is 41.

The square root of 57947423 is about 7612.3204740736. The cubic root of 57947423 is about 386.9706637129.

The spelling of 57947423 in words is "fifty-seven million, nine hundred forty-seven thousand, four hundred twenty-three".

Divisors: 1 29 841 68903 1998187 57947423