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57504429 = 3247913339
BaseRepresentation
bin1101101101011…
…1001010101101
311000012112020200
43123113022231
5104210120204
65412304113
71265531253
oct333271255
9130175220
1057504429
112a506a24
1217312039
13bbb50b8
1478cc5d3
1550ad539
hex36d72ad

57504429 has 12 divisors (see below), whose sum is σ = 83241600. Its totient is φ = 38253384.

The previous prime is 57504407. The next prime is 57504449. The reversal of 57504429 is 92440575.

It is not a de Polignac number, because 57504429 - 29 = 57503917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57504393 and 57504402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57504449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2359 + ... + 10980.

It is an arithmetic number, because the mean of its divisors is an integer number (6936800).

Almost surely, 257504429 is an apocalyptic number.

It is an amenable number.

57504429 is a deficient number, since it is larger than the sum of its proper divisors (25737171).

57504429 is a wasteful number, since it uses less digits than its factorization.

57504429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13824 (or 13821 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 57504429 is about 7583.1674780398. The cubic root of 57504429 is about 385.9820411880.

The spelling of 57504429 in words is "fifty-seven million, five hundred four thousand, four hundred twenty-nine".

Divisors: 1 3 9 479 1437 4311 13339 40017 120051 6389381 19168143 57504429