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57740946 = 239623491
BaseRepresentation
bin1101110001000…
…0111010010010
311000122112200120
43130100322102
5104240202241
65421331110
71300534644
oct334207222
9130575616
1057740946
112a65869a
1217406a96
13bc68953
147950894
155108666
hex3710e92

57740946 has 8 divisors (see below), whose sum is σ = 115481904. Its totient is φ = 19246980.

The previous prime is 57740933. The next prime is 57740987. The reversal of 57740946 is 64904775.

It is a sphenic number, since it is the product of 3 distinct primes.

57740946 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 57740898 and 57740907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4811740 + ... + 4811751.

It is an arithmetic number, because the mean of its divisors is an integer number (14435238).

Almost surely, 257740946 is an apocalyptic number.

57740946 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57740946 is a wasteful number, since it uses less digits than its factorization.

57740946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9623496.

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 57740946 is about 7598.7463439702. The cubic root of 57740946 is about 386.5105015759.

The spelling of 57740946 in words is "fifty-seven million, seven hundred forty thousand, nine hundred forty-six".

Divisors: 1 2 3 6 9623491 19246982 28870473 57740946