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4165025988 = 223538378901
BaseRepresentation
bin1111100001000001…
…0100000011000100
3101202021020020112210
43320100110003010
532012221312423
61525142543420
7205133064624
oct37020240304
911667206483
104165025988
111848059742
12982a37b70
13514b81a26
142b7230884
151959c1b93
hexf84140c4

4165025988 has 48 divisors (see below), whose sum is σ = 10021185216. Its totient is φ = 1345718400.

The previous prime is 4165025983. The next prime is 4165026007. The reversal of 4165025988 is 8895205614.

It is a super-2 number, since 2×41650259882 = 34694882961430752288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4165025983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13338 + ... + 92238.

It is an arithmetic number, because the mean of its divisors is an integer number (208774692).

Almost surely, 24165025988 is an apocalyptic number.

It is an amenable number.

4165025988 is an abundant number, since it is smaller than the sum of its proper divisors (5856159228).

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

4165025988 is a wasteful number, since it uses less digits than its factorization.

4165025988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79044 (or 79042 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 48.

The square root of 4165025988 is about 64537.0125431911. The cubic root of 4165025988 is about 1608.9377389032.

The spelling of 4165025988 in words is "four billion, one hundred sixty-five million, twenty-five thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 53 83 106 159 166 212 249 318 332 498 636 996 4399 8798 13197 17596 26394 52788 78901 157802 236703 315604 473406 946812 4181753 6548783 8363506 12545259 13097566 16727012 19646349 25090518 26195132 39292698 50181036 78585396 347085499 694170998 1041256497 1388341996 2082512994 4165025988