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57235442 = 21153191257
BaseRepresentation
bin1101101001010…
…1011111110010
310222200212021012
43122111133302
5104123013232
65402430522
71263331115
oct332253762
9128625235
1057235442
112a342920
1217202442
13bb1c834
14785c57c
1550589b2
hex36957f2

57235442 has 32 divisors (see below), whose sum is σ = 96297984. Its totient is φ = 25292800.

The previous prime is 57235441. The next prime is 57235457. The reversal of 57235442 is 24453275.

It is a junction number, because it is equal to n+sod(n) for n = 57235399 and 57235408.

It is not an unprimeable number, because it can be changed into a prime (57235441) 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, 222578 + ... + 222834.

It is an arithmetic number, because the mean of its divisors is an integer number (3009312).

Almost surely, 257235442 is an apocalyptic number.

57235442 is a deficient number, since it is larger than the sum of its proper divisors (39062542).

57235442 is a wasteful number, since it uses less digits than its factorization.

57235442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 514.

The product of its digits is 33600, while the sum is 32.

The square root of 57235442 is about 7565.4108943269. The cubic root of 57235442 is about 385.3792675679.

The spelling of 57235442 in words is "fifty-seven million, two hundred thirty-five thousand, four hundred forty-two".

Divisors: 1 2 11 22 53 106 191 257 382 514 583 1166 2101 2827 4202 5654 10123 13621 20246 27242 49087 98174 111353 149831 222706 299662 539957 1079914 2601611 5203222 28617721 57235442