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220912044 = 223109168893
BaseRepresentation
bin11010010101011…
…01100110101100
3120101200111100120
431022231212230
5423023141134
633530524540
75321502303
oct1512554654
9511614316
10220912044
11103776541
1261b96750
13369c98b2
14214a743a
15145da649
hexd2ad9ac

220912044 has 24 divisors (see below), whose sum is σ = 520193520. Its totient is φ = 72961344.

The previous prime is 220912039. The next prime is 220912063. The reversal of 220912044 is 440219022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83139 + ... + 85754.

It is an arithmetic number, because the mean of its divisors is an integer number (21674730).

Almost surely, 2220912044 is an apocalyptic number.

It is an amenable number.

220912044 is an abundant number, since it is smaller than the sum of its proper divisors (299281476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

220912044 is a wasteful number, since it uses less digits than its factorization.

220912044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169009 (or 169007 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 220912044 is about 14863.1101725043. The cubic root of 220912044 is about 604.5141412637.

The spelling of 220912044 in words is "two hundred twenty million, nine hundred twelve thousand, forty-four".

Divisors: 1 2 3 4 6 12 109 218 327 436 654 1308 168893 337786 506679 675572 1013358 2026716 18409337 36818674 55228011 73637348 110456022 220912044