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57302942 = 231924241
BaseRepresentation
bin1101101010010…
…1111110011110
310222211021212012
43122211332132
5104132143232
65404111222
71264031654
oct332457636
9128737765
1057302942
112a389604
1217235512
13bb44488
147878dd4
15506d9b2
hex36a5f9e

57302942 has 8 divisors (see below), whose sum is σ = 88727232. Its totient is φ = 27727200.

The previous prime is 57302939. The next prime is 57302957. The reversal of 57302942 is 24920375.

It is a happy number.

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

It is a zygodrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 57302899 and 57302908.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462059 + ... + 462182.

It is an arithmetic number, because the mean of its divisors is an integer number (11090904).

Almost surely, 257302942 is an apocalyptic number.

57302942 is a deficient number, since it is larger than the sum of its proper divisors (31424290).

57302942 is a wasteful number, since it uses less digits than its factorization.

57302942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924274.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 57302942 is about 7569.8706726073. The cubic root of 57302942 is about 385.5307056760.

The spelling of 57302942 in words is "fifty-seven million, three hundred two thousand, nine hundred forty-two".

Divisors: 1 2 31 62 924241 1848482 28651471 57302942