Base | Representation |
---|---|
bin | 11010010010101… |
… | …01110000111111 |
3 | 120101000012211001 |
4 | 31021111300333 |
5 | 422430133010 |
6 | 33515111131 |
7 | 5315443330 |
oct | 1511256077 |
9 | 511005731 |
10 | 220552255 |
11 | 1035501a0 |
12 | 61a424a7 |
13 | 36901bc1 |
14 | 21412287 |
15 | 14568c3a |
hex | d255c3f |
220552255 has 32 divisors (see below), whose sum is σ = 332563968. Its totient is φ = 136406400.
The previous prime is 220552253. The next prime is 220552349. The reversal of 220552255 is 552255022.
It is not a de Polignac number, because 220552255 - 21 = 220552253 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (220552253) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48249 + ... + 52621.
It is an arithmetic number, because the mean of its divisors is an integer number (10392624).
Almost surely, 2220552255 is an apocalyptic number.
220552255 is a deficient number, since it is larger than the sum of its proper divisors (112011713).
220552255 is a wasteful number, since it uses less digits than its factorization.
220552255 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4527.
The product of its (nonzero) digits is 10000, while the sum is 28.
The square root of 220552255 is about 14851.0018180593. The cubic root of 220552255 is about 604.1857817390.
It can be divided in two parts, 22055 and 2255, that added together give a triangular number (24310 = T220).
The spelling of 220552255 in words is "two hundred twenty million, five hundred fifty-two thousand, two hundred fifty-five".
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