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57923941 = 139416719
BaseRepresentation
bin1101110011110…
…1100101100101
311000222211201011
43130331211211
5104312031231
65425302221
71302226315
oct334754545
9130884634
1057923941
112a773129
1217494971
13c00102a
14799b445
1551429b1
hex373d965

57923941 has 4 divisors (see below), whose sum is σ = 58340800. Its totient is φ = 57507084.

The previous prime is 57923927. The next prime is 57923993. The reversal of 57923941 is 14932975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57923941 - 27 = 57923813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57923894 and 57923903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57923141) 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, 208221 + ... + 208498.

It is an arithmetic number, because the mean of its divisors is an integer number (14585200).

Almost surely, 257923941 is an apocalyptic number.

It is an amenable number.

57923941 is a deficient number, since it is larger than the sum of its proper divisors (416859).

57923941 is a wasteful number, since it uses less digits than its factorization.

57923941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416858.

The product of its digits is 68040, while the sum is 40.

The square root of 57923941 is about 7610.7779497237. Note that the first 3 decimals coincide. The cubic root of 57923941 is about 386.9183860196.

The spelling of 57923941 in words is "fifty-seven million, nine hundred twenty-three thousand, nine hundred forty-one".

Divisors: 1 139 416719 57923941