Base | Representation |
---|---|
bin | 1101101101000… |
… | …1100011101010 |
3 | 11000011100201121 |
4 | 3123101203222 |
5 | 104203401300 |
6 | 5412005454 |
7 | 1265404255 |
oct | 333214352 |
9 | 130140647 |
10 | 57481450 |
11 | 2a4a0734 |
12 | 1730088a |
13 | bba77c0 |
14 | 78c409c |
15 | 50a681a |
hex | 36d18ea |
57481450 has 48 divisors (see below), whose sum is σ = 115992576. Its totient is φ = 21067200.
The previous prime is 57481447. The next prime is 57481453. The reversal of 57481450 is 5418475.
It is an interprime number because it is at equal distance from previous prime (57481447) and next prime (57481453).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (57481453) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123919 + ... + 124381.
It is an arithmetic number, because the mean of its divisors is an integer number (2416512).
Almost surely, 257481450 is an apocalyptic number.
57481450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57481450 is an abundant number, since it is smaller than the sum of its proper divisors (58511126).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57481450 is a wasteful number, since it uses less digits than its factorization.
57481450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 679 (or 674 counting only the distinct ones).
The product of its (nonzero) digits is 22400, while the sum is 34.
The square root of 57481450 is about 7581.6521946077. The cubic root of 57481450 is about 385.9306210153.
The spelling of 57481450 in words is "fifty-seven million, four hundred eighty-one thousand, four hundred fifty".
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