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57806343 = 3276431427
BaseRepresentation
bin1101110010000…
…0111000000111
311000202212101200
43130200320013
5104244300333
65422553543
71301226420
oct334407007
9130685350
1057806343
112a6a2841
12174388b3
13bc8c64a
14796a647
15511cc13
hex3720e07

57806343 has 24 divisors (see below), whose sum is σ = 95641728. Its totient is φ = 32957712.

The previous prime is 57806339. The next prime is 57806363. The reversal of 57806343 is 34360875.

It is a happy number.

It is not a de Polignac number, because 57806343 - 22 = 57806339 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 57806298 and 57806307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57806323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39796 + ... + 41222.

It is an arithmetic number, because the mean of its divisors is an integer number (3985072).

Almost surely, 257806343 is an apocalyptic number.

57806343 is a deficient number, since it is larger than the sum of its proper divisors (37835385).

57806343 is a wasteful number, since it uses less digits than its factorization.

57806343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2083 (or 2080 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 57806343 is about 7603.0482702663. The cubic root of 57806343 is about 386.6563662370.

The spelling of 57806343 in words is "fifty-seven million, eight hundred six thousand, three hundred forty-three".

Divisors: 1 3 7 9 21 63 643 1427 1929 4281 4501 5787 9989 12843 13503 29967 40509 89901 917561 2752683 6422927 8258049 19268781 57806343