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57343845 = 3513409719
BaseRepresentation
bin1101101010111…
…1111101100101
310222220100222010
43122233331211
5104140000340
65405024433
71264262136
oct332577545
9128810863
1057343845
112a407309
1217255119
13bb59c90
147889c8d
15507ab80
hex36aff65

57343845 has 32 divisors (see below), whose sum is σ = 99187200. Its totient is φ = 28122624.

The previous prime is 57343829. The next prime is 57343849. The reversal of 57343845 is 54834375.

It is not a de Polignac number, because 57343845 - 24 = 57343829 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57343849) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 79396 + ... + 80114.

It is an arithmetic number, because the mean of its divisors is an integer number (3099600).

Almost surely, 257343845 is an apocalyptic number.

It is an amenable number.

57343845 is a deficient number, since it is larger than the sum of its proper divisors (41843355).

57343845 is a wasteful number, since it uses less digits than its factorization.

57343845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1149.

The product of its digits is 201600, while the sum is 39.

The square root of 57343845 is about 7572.5718880708. The cubic root of 57343845 is about 385.6224148235.

The spelling of 57343845 in words is "fifty-seven million, three hundred forty-three thousand, eight hundred forty-five".

Divisors: 1 3 5 13 15 39 65 195 409 719 1227 2045 2157 3595 5317 6135 9347 10785 15951 26585 28041 46735 79755 140205 294071 882213 1470355 3822923 4411065 11468769 19114615 57343845