Base | Representation |
---|---|
bin | 1101110100111… |
… | …1010010100010 |
3 | 11001010112011200 |
4 | 3131033102202 |
5 | 104321341300 |
6 | 5431022030 |
7 | 1302650601 |
oct | 335172242 |
9 | 131115150 |
10 | 57996450 |
11 | 2a812656 |
12 | 1750a916 |
13 | c028035 |
14 | 79b9a38 |
15 | 5159200 |
hex | 374f4a2 |
57996450 has 54 divisors (see below), whose sum is σ = 156252369. Its totient is φ = 15422640.
The previous prime is 57996437. The next prime is 57996467. The reversal of 57996450 is 5469975.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 56836521 + 1159929 = 7539^2 + 1077^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=5385.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 57996396 and 57996405.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 161371 + ... + 161729.
Almost surely, 257996450 is an apocalyptic number.
57996450 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 57996450
57996450 is an abundant number, since it is smaller than the sum of its proper divisors (98255919).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57996450 is a wasteful number, since it uses less digits than its factorization.
57996450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 736 (or 369 counting only the distinct ones).
The product of its (nonzero) digits is 340200, while the sum is 45.
The square root of 57996450 is about 7615.5400333791. The cubic root of 57996450 is about 387.0797664234.
The spelling of 57996450 in words is "fifty-seven million, nine hundred ninety-six thousand, four hundred fifty".
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