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485649186 = 231123319927
BaseRepresentation
bin11100111100100…
…110101100100010
31020211211112102220
4130330212230202
51443311233221
6120105051510
715014643561
oct3474465442
91224745386
10485649186
1122a155470
12116786b96
13797cc0a9
14486dbbd8
152c9810c6
hex1cf26b22

485649186 has 32 divisors (see below), whose sum is σ = 1105671168. Its totient is φ = 140767440.

The previous prime is 485649169. The next prime is 485649187. The reversal of 485649186 is 681946584.

It is not an unprimeable number, because it can be changed into a prime (485649187) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158446 + ... + 161481.

It is an arithmetic number, because the mean of its divisors is an integer number (34552224).

Almost surely, 2485649186 is an apocalyptic number.

485649186 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

485649186 is an abundant number, since it is smaller than the sum of its proper divisors (620021982).

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

485649186 is a wasteful number, since it uses less digits than its factorization.

485649186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319966.

The product of its digits is 1658880, while the sum is 51.

The square root of 485649186 is about 22037.4496255805. The cubic root of 485649186 is about 786.0331972589.

The spelling of 485649186 in words is "four hundred eighty-five million, six hundred forty-nine thousand, one hundred eighty-six".

Divisors: 1 2 3 6 11 22 23 33 46 66 69 138 253 506 759 1518 319927 639854 959781 1919562 3519197 7038394 7358321 10557591 14716642 21115182 22074963 44149926 80941531 161883062 242824593 485649186