Base | Representation |
---|---|
bin | 1101101100101… |
… | …1000110000100 |
3 | 11000010000102020 |
4 | 3123023012010 |
5 | 104202024410 |
6 | 5411243140 |
7 | 1265234142 |
oct | 333130604 |
9 | 130100366 |
10 | 57454980 |
11 | 2a482860 |
12 | 172a94b0 |
13 | bb9873b |
14 | 78b8592 |
15 | 509da70 |
hex | 36cb184 |
57454980 has 96 divisors (see below), whose sum is σ = 176698368. Its totient is φ = 13833600.
The previous prime is 57454937. The next prime is 57455023. The reversal of 57454980 is 8945475.
It is an interprime number because it is at equal distance from previous prime (57454937) and next prime (57455023).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 173415 + ... + 173745.
It is an arithmetic number, because the mean of its divisors is an integer number (1840608).
Almost surely, 257454980 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57454980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88349184).
57454980 is an abundant number, since it is smaller than the sum of its proper divisors (119243388).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57454980 is a wasteful number, since it uses less digits than its factorization.
57454980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 617 (or 615 counting only the distinct ones).
The product of its (nonzero) digits is 201600, while the sum is 42.
The square root of 57454980 is about 7579.9063318751. The cubic root of 57454980 is about 385.8713720342.
The spelling of 57454980 in words is "fifty-seven million, four hundred fifty-four thousand, nine hundred eighty".
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