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220461124 = 221319721521
BaseRepresentation
bin11010010001111…
…11100001000100
3120100211120210211
431020333201010
5422414223444
633513125204
75314613542
oct1510774104
9510746724
10220461124
11103498784
12619b9804
133689c590
14213cad92
151454bc34
hexd23f844

220461124 has 24 divisors (see below), whose sum is σ = 417612888. Its totient is φ = 101230080.

The previous prime is 220461071. The next prime is 220461139. The reversal of 220461124 is 421164022.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55800900 + 164660224 = 7470^2 + 12832^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220461095 and 220461104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 517 + ... + 21004.

It is an arithmetic number, because the mean of its divisors is an integer number (17400537).

Almost surely, 2220461124 is an apocalyptic number.

It is an amenable number.

220461124 is a deficient number, since it is larger than the sum of its proper divisors (197151764).

220461124 is a wasteful number, since it uses less digits than its factorization.

220461124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21735 (or 21733 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 220461124 is about 14847.9333242037. The cubic root of 220461124 is about 604.1025548415.

The spelling of 220461124 in words is "two hundred twenty million, four hundred sixty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 13 26 52 197 394 788 2561 5122 10244 21521 43042 86084 279773 559546 1119092 4239637 8479274 16958548 55115281 110230562 220461124