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57141042 = 2377318637
BaseRepresentation
bin1101100111111…
…0011100110010
310222112001202220
43121332130302
5104112003132
65400421510
71262455650
oct331763462
9128461686
1057141042
112a288a02
1217177896
13bab888a
147835dd0
15503aa2c
hex367e732

57141042 has 32 divisors (see below), whose sum is σ = 132404352. Its totient is φ = 16101504.

The previous prime is 57141041. The next prime is 57141043. The reversal of 57141042 is 24014175.

It is an interprime number because it is at equal distance from previous prime (57141041) and next prime (57141043).

It is not an unprimeable number, because it can be changed into a prime (57141041) 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, 6253 + ... + 12384.

It is an arithmetic number, because the mean of its divisors is an integer number (4137636).

Almost surely, 257141042 is an apocalyptic number.

57141042 is an abundant number, since it is smaller than the sum of its proper divisors (75263310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57141042 is a wasteful number, since it uses less digits than its factorization.

57141042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18722.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 57141042 is about 7559.1693988162. The cubic root of 57141042 is about 385.1672787449.

The spelling of 57141042 in words is "fifty-seven million, one hundred forty-one thousand, forty-two".

Divisors: 1 2 3 6 7 14 21 42 73 146 219 438 511 1022 1533 3066 18637 37274 55911 111822 130459 260918 391377 782754 1360501 2721002 4081503 8163006 9523507 19047014 28570521 57141042