Base | Representation |
---|---|
bin | 1101100111111… |
… | …0101100100010 |
3 | 10222112010011020 |
4 | 3121332230202 |
5 | 104112021200 |
6 | 5400430310 |
7 | 1262461620 |
oct | 331765442 |
9 | 128463136 |
10 | 57142050 |
11 | 2a289739 |
12 | 17178396 |
13 | bab9184 |
14 | 7836510 |
15 | 503aea0 |
hex | 367eb22 |
57142050 has 48 divisors (see below), whose sum is σ = 161959872. Its totient is φ = 13060800.
The previous prime is 57142039. The next prime is 57142061. The reversal of 57142050 is 5024175.
It is an interprime number because it is at equal distance from previous prime (57142039) and next prime (57142061).
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 57142050.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26161 + ... + 28260.
It is an arithmetic number, because the mean of its divisors is an integer number (3374164).
Almost surely, 257142050 is an apocalyptic number.
57142050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57142050 is an abundant number, since it is smaller than the sum of its proper divisors (104817822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57142050 is a wasteful number, since it uses less digits than its factorization.
57142050 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54443 (or 54438 counting only the distinct ones).
The product of its (nonzero) digits is 1400, while the sum is 24.
The square root of 57142050 is about 7559.2360725142. The cubic root of 57142050 is about 385.1695435872.
The spelling of 57142050 in words is "fifty-seven million, one hundred forty-two thousand, fifty".
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