Base | Representation |
---|---|
bin | 1101101110001… |
… | …1010011011110 |
3 | 11000022001102220 |
4 | 3123203103132 |
5 | 104213213032 |
6 | 5413330210 |
7 | 1266126222 |
oct | 333432336 |
9 | 130261386 |
10 | 57554142 |
11 | 2a540308 |
12 | 17336966 |
13 | bc01909 |
14 | 7902782 |
15 | 50bd12c |
hex | 36e34de |
57554142 has 24 divisors (see below), whose sum is σ = 120337224. Its totient is φ = 18349584.
The previous prime is 57554137. The next prime is 57554153. The reversal of 57554142 is 24145575.
It is a super-2 number, since 2×575541422 = 6624958522712328, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5893 + ... + 12240.
It is an arithmetic number, because the mean of its divisors is an integer number (5014051).
Almost surely, 257554142 is an apocalyptic number.
57554142 is an abundant number, since it is smaller than the sum of its proper divisors (62783082).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57554142 is a wasteful number, since it uses less digits than its factorization.
57554142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18184 (or 18161 counting only the distinct ones).
The product of its digits is 28000, while the sum is 33.
The square root of 57554142 is about 7586.4446218238. Note that the first 3 decimals coincide. The cubic root of 57554142 is about 386.0932372513.
The spelling of 57554142 in words is "fifty-seven million, five hundred fifty-four thousand, one hundred forty-two".
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