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53917345 = 5193891459
BaseRepresentation
bin1100110110101…
…1011010100001
310202110021200201
43031223122201
5102300323340
65203345201
71223201266
oct315533241
9122407621
1053917345
1128486999
1216082201
13b22a471
14723726d
154b0079a
hex336b6a1

53917345 has 16 divisors (see below), whose sum is σ = 68328000. Its totient is φ = 40730688.

The previous prime is 53917333. The next prime is 53917349. The reversal of 53917345 is 54371935.

It is a cyclic number.

It is not a de Polignac number, because 53917345 - 29 = 53916833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53917349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36226 + ... + 37684.

It is an arithmetic number, because the mean of its divisors is an integer number (4270500).

Almost surely, 253917345 is an apocalyptic number.

It is an amenable number.

53917345 is a deficient number, since it is larger than the sum of its proper divisors (14410655).

53917345 is a wasteful number, since it uses less digits than its factorization.

53917345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1872.

The product of its digits is 56700, while the sum is 37.

The square root of 53917345 is about 7342.8431142167. The cubic root of 53917345 is about 377.7833669076.

The spelling of 53917345 in words is "fifty-three million, nine hundred seventeen thousand, three hundred forty-five".

Divisors: 1 5 19 95 389 1459 1945 7295 7391 27721 36955 138605 567551 2837755 10783469 53917345