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57234743 = 89643087
BaseRepresentation
bin1101101001010…
…1010100110111
310222200211022022
43122111110313
5104123002433
65402423355
71263326066
oct332252467
9128624268
1057234743
112a342345
1217201b5b
13bb1c417
14785c1dd
155058698
hex3695537

57234743 has 4 divisors (see below), whose sum is σ = 57877920. Its totient is φ = 56591568.

The previous prime is 57234739. The next prime is 57234823. The reversal of 57234743 is 34743275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57234743 - 22 = 57234739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57234643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321455 + ... + 321632.

It is an arithmetic number, because the mean of its divisors is an integer number (14469480).

Almost surely, 257234743 is an apocalyptic number.

57234743 is a deficient number, since it is larger than the sum of its proper divisors (643177).

57234743 is an equidigital number, since it uses as much as digits as its factorization.

57234743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643176.

The product of its digits is 70560, while the sum is 35.

The square root of 57234743 is about 7565.3646970916. The cubic root of 57234743 is about 385.3776987194.

The spelling of 57234743 in words is "fifty-seven million, two hundred thirty-four thousand, seven hundred forty-three".

Divisors: 1 89 643087 57234743