Base | Representation |
---|---|
bin | 1101000111101… |
… | …1101011111010 |
3 | 10211112221111100 |
4 | 3101323223322 |
5 | 103042020240 |
6 | 5243312230 |
7 | 1235524545 |
oct | 321735372 |
9 | 124487440 |
10 | 55032570 |
11 | 2907886a |
12 | 1651b676 |
13 | b52ac68 |
14 | 744785c |
15 | 4c70e30 |
hex | 347bafa |
55032570 has 48 divisors (see below), whose sum is σ = 151505640. Its totient is φ = 13811712.
The previous prime is 55032563. The next prime is 55032581. The reversal of 55032570 is 7523055.
It can be written as a sum of positive squares in 4 ways, for example, as 54863649 + 168921 = 7407^2 + 411^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16455 + ... + 19514.
Almost surely, 255032570 is an apocalyptic number.
55032570 is an abundant number, since it is smaller than the sum of its proper divisors (96473070).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
55032570 is a wasteful number, since it uses less digits than its factorization.
55032570 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35999 (or 35996 counting only the distinct ones).
The product of its (nonzero) digits is 5250, while the sum is 27.
The square root of 55032570 is about 7418.3940310555. The cubic root of 55032570 is about 380.3702992398.
The spelling of 55032570 in words is "fifty-five million, thirty-two thousand, five hundred seventy".
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