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57408694 = 2721722027
BaseRepresentation
bin1101101011111…
…1110010110110
311000000122220221
43122333302312
5104144034234
65410244554
71264652200
oct332776266
9130018827
1057408694
112a451002
121728675a
13bb80655
1478a5770
15508eeb4
hex36bfcb6

57408694 has 36 divisors (see below), whose sum is σ = 106463916. Its totient is φ = 23145024.

The previous prime is 57408653. The next prime is 57408727. The reversal of 57408694 is 49680475.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 57408694.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 27309 + ... + 29335.

It is an arithmetic number, because the mean of its divisors is an integer number (2957331).

Almost surely, 257408694 is an apocalyptic number.

57408694 is a deficient number, since it is larger than the sum of its proper divisors (49055222).

57408694 is a wasteful number, since it uses less digits than its factorization.

57408694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2077 (or 2053 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 57408694 is about 7576.8525127522. The cubic root of 57408694 is about 385.7677242702.

The spelling of 57408694 in words is "fifty-seven million, four hundred eight thousand, six hundred ninety-four".

Divisors: 1 2 7 14 17 34 49 98 119 238 289 578 833 1666 2023 2027 4046 4054 14161 14189 28322 28378 34459 68918 99323 198646 241213 482426 585803 1171606 1688491 3376982 4100621 8201242 28704347 57408694