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220131124 = 22315930089
BaseRepresentation
bin11010001111011…
…10111100110100
3120100012211010121
431013232330310
5422323143444
633502101324
75312040463
oct1507567464
9510184117
10220131124
11103292854
126187a844
13367b5305
14213429da
15144d4084
hexd1eef34

220131124 has 24 divisors (see below), whose sum is σ = 404409600. Its totient is φ = 104706240.

The previous prime is 220131089. The next prime is 220131133. The reversal of 220131124 is 421131022.

It is a junction number, because it is equal to n+sod(n) for n = 220131098 and 220131107.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7729 + ... + 22360.

It is an arithmetic number, because the mean of its divisors is an integer number (16850400).

Almost surely, 2220131124 is an apocalyptic number.

It is an amenable number.

220131124 is a deficient number, since it is larger than the sum of its proper divisors (184278476).

220131124 is a wasteful number, since it uses less digits than its factorization.

220131124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30183 (or 30181 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 220131124 is about 14836.8165048975. The cubic root of 220131124 is about 603.8009848252.

Adding to 220131124 its reverse (421131022), we get a palindrome (641262146).

The spelling of 220131124 in words is "two hundred twenty million, one hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 31 59 62 118 124 236 1829 3658 7316 30089 60178 120356 932759 1775251 1865518 3550502 3731036 7101004 55032781 110065562 220131124