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57488542 = 228744271
BaseRepresentation
bin1101101101001…
…1010010011110
311000011201110021
43123103102132
5104204113132
65412102354
71265434036
oct333232236
9130151407
1057488542
112a4a5aa1
12173049ba
13bbaaab7
1478c68c6
1550a8997
hex36d349e

57488542 has 4 divisors (see below), whose sum is σ = 86232816. Its totient is φ = 28744270.

The previous prime is 57488507. The next prime is 57488551. The reversal of 57488542 is 24588475.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×574885422 = 6609864922571528, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14372134 + ... + 14372137.

It is an arithmetic number, because the mean of its divisors is an integer number (21558204).

Almost surely, 257488542 is an apocalyptic number.

57488542 is a deficient number, since it is larger than the sum of its proper divisors (28744274).

57488542 is a wasteful number, since it uses less digits than its factorization.

57488542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28744273.

The product of its digits is 358400, while the sum is 43.

The square root of 57488542 is about 7582.1198882634. The cubic root of 57488542 is about 385.9464922654.

The spelling of 57488542 in words is "fifty-seven million, four hundred eighty-eight thousand, five hundred forty-two".

Divisors: 1 2 28744271 57488542