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425086920 = 2333523109157
BaseRepresentation
bin11001010101100…
…100111111001000
31002121212122122000
4121111210333020
51332310240140
6110103031000
713351115316
oct3125447710
91077778560
10425086920
111a8a50105
12ba43b460
136a0b622b
14406550b6
15274bba30
hex19564fc8

425086920 has 256 divisors, whose sum is σ = 1501632000. Its totient is φ = 106748928.

The previous prime is 425086919. The next prime is 425086933. The reversal of 425086920 is 29680524.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2707482 + ... + 2707638.

It is an arithmetic number, because the mean of its divisors is an integer number (5865750).

Almost surely, 2425086920 is an apocalyptic number.

425086920 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 425086920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750816000).

425086920 is an abundant number, since it is smaller than the sum of its proper divisors (1076545080).

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

425086920 is a wasteful number, since it uses less digits than its factorization.

425086920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 299 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 425086920 is about 20617.6361399652. The cubic root of 425086920 is about 751.8985499555.

The spelling of 425086920 in words is "four hundred twenty-five million, eighty-six thousand, nine hundred twenty".