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57065965 = 5111037563
BaseRepresentation
bin1101100110110…
…0000111101101
310222101020210021
43121230013231
5104102102330
65355042141
71262024035
oct331540755
9128336707
1057065965
112a237560
1217140351
13ba90658
1478168c5
15502367a
hex366c1ed

57065965 has 8 divisors (see below), whose sum is σ = 74704608. Its totient is φ = 41502480.

The previous prime is 57065963. The next prime is 57065993. The reversal of 57065965 is 56956075.

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

It is not a de Polignac number, because 57065965 - 21 = 57065963 is a prime.

It is a super-2 number, since 2×570659652 = 6513048722762450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57065963) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 518727 + ... + 518836.

It is an arithmetic number, because the mean of its divisors is an integer number (9338076).

Almost surely, 257065965 is an apocalyptic number.

57065965 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57065965 is a deficient number, since it is larger than the sum of its proper divisors (17638643).

57065965 is a wasteful number, since it uses less digits than its factorization.

57065965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037579.

The product of its (nonzero) digits is 283500, while the sum is 43.

The square root of 57065965 is about 7554.2018109129. The cubic root of 57065965 is about 384.9985157642.

The spelling of 57065965 in words is "fifty-seven million, sixty-five thousand, nine hundred sixty-five".

Divisors: 1 5 11 55 1037563 5187815 11413193 57065965