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485669520 = 2435574383
BaseRepresentation
bin11100111100101…
…011101010010000
31020211212120100000
4130330223222100
51443312411040
6120105330000
715015060060
oct3474535220
91224776300
10485669520
1122a169776
12116796900
137980841b
14487053a0
152c987130
hex1cf2ba90

485669520 has 480 divisors, whose sum is σ = 2001871872. Its totient is φ = 107122176.

The previous prime is 485669519. The next prime is 485669537. The reversal of 485669520 is 25966584.

485669520 is a `hidden beast` number, since 485 + 66 + 95 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5851399 + ... + 5851481.

Almost surely, 2485669520 is an apocalyptic number.

485669520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 485669520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000935936).

485669520 is an abundant number, since it is smaller than the sum of its proper divisors (1516202352).

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

485669520 is a wasteful number, since it uses less digits than its factorization.

485669520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161 (or 143 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The square root of 485669520 is about 22037.9109717777. The cubic root of 485669520 is about 786.0441674382.

The spelling of 485669520 in words is "four hundred eighty-five million, six hundred sixty-nine thousand, five hundred twenty".