Base | Representation |
---|---|
bin | 1100110111011… |
… | …0001000100010 |
3 | 10202112111220211 |
4 | 3031312020202 |
5 | 102303230000 |
6 | 5204324334 |
7 | 1223443300 |
oct | 315661042 |
9 | 122474824 |
10 | 53961250 |
11 | 28506982 |
12 | 160a36aa |
13 | b244445 |
14 | 7249270 |
15 | 4b0d7ba |
hex | 3376222 |
53961250 has 60 divisors (see below), whose sum is σ = 117791982. Its totient is φ = 18480000.
The previous prime is 53961241. The next prime is 53961251. The reversal of 53961250 is 5216935.
It can be written as a sum of positive squares in 5 ways, for example, as 247009 + 53714241 = 497^2 + 7329^2 .
It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53961251) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60810 + ... + 61690.
Almost surely, 253961250 is an apocalyptic number.
53961250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
53961250 is an abundant number, since it is smaller than the sum of its proper divisors (63830732).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53961250 is an equidigital number, since it uses as much as digits as its factorization.
53961250 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917 (or 895 counting only the distinct ones).
The product of its (nonzero) digits is 8100, while the sum is 31.
The square root of 53961250 is about 7345.8321516354. The cubic root of 53961250 is about 377.8858823325.
The spelling of 53961250 in words is "fifty-three million, nine hundred sixty-one thousand, two hundred fifty".
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