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485691888 = 24311919871
BaseRepresentation
bin11100111100110…
…001000111110000
31020211220201000110
4130330301013300
51443314120023
6120110021320
715015212223
oct3474610760
91224821013
10485691888
1122a184560
121167a7840
1379815666
144870d5ba
152c98da93
hex1cf311f0

485691888 has 40 divisors (see below), whose sum is σ = 1368769536. Its totient is φ = 147179200.

The previous prime is 485691883. The next prime is 485691893. The reversal of 485691888 is 888196584.

It is an interprime number because it is at equal distance from previous prime (485691883) and next prime (485691893).

It is a super-2 number, since 2×4856918882 = 471793220138009088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485691881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459408 + ... + 460463.

Almost surely, 2485691888 is an apocalyptic number.

485691888 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

485691888 is an abundant number, since it is smaller than the sum of its proper divisors (883077648).

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

485691888 is a wasteful number, since it uses less digits than its factorization.

485691888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919893 (or 919887 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 57.

The square root of 485691888 is about 22038.4184550525. The cubic root of 485691888 is about 786.0562346055.

The spelling of 485691888 in words is "four hundred eighty-five million, six hundred ninety-one thousand, eight hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 919871 1839742 2759613 3679484 5519226 7358968 10118581 11038452 14717936 20237162 22076904 30355743 40474324 44153808 60711486 80948648 121422972 161897296 242845944 485691888