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57497694 = 2341922871
BaseRepresentation
bin1101101101010…
…1100001011110
311000012012000020
43123111201132
5104204411234
65412213010
71265502522
oct333254136
9130165006
1057497694
112a501961
121730a166
13bbb2007
1478c9d82
1550ab549
hex36d585e

57497694 has 16 divisors (see below), whose sum is σ = 115274880. Its totient is φ = 19119320.

The previous prime is 57497681. The next prime is 57497707. The reversal of 57497694 is 49679475.

It is an interprime number because it is at equal distance from previous prime (57497681) and next prime (57497707).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8922 + ... + 13949.

It is an arithmetic number, because the mean of its divisors is an integer number (7204680).

Almost surely, 257497694 is an apocalyptic number.

57497694 is an abundant number, since it is smaller than the sum of its proper divisors (57777186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57497694 is a wasteful number, since it uses less digits than its factorization.

57497694 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23295.

The product of its digits is 1905120, while the sum is 51.

The square root of 57497694 is about 7582.7233893899. The cubic root of 57497694 is about 385.9669716789.

The spelling of 57497694 in words is "fifty-seven million, four hundred ninety-seven thousand, six hundred ninety-four".

Divisors: 1 2 3 6 419 838 1257 2514 22871 45742 68613 137226 9582949 19165898 28748847 57497694