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425759880 = 2335713127307
BaseRepresentation
bin11001011000001…
…001010010001000
31002200010211202110
4121120021102020
51332443304010
6110125302320
713356620310
oct3130112210
91080124673
10425759880
111a936a777
12ba7049a0
136a290630
144078c440
15275a1120
hex19609488

425759880 has 256 divisors, whose sum is σ = 1589575680. Its totient is φ = 88833024.

The previous prime is 425759879. The next prime is 425759881. The reversal of 425759880 is 88957524.

It is an interprime number because it is at equal distance from previous prime (425759879) and next prime (425759881).

It is a super-2 number, since 2×4257598802 = 362542950835228800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425759881) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1386687 + ... + 1386993.

It is an arithmetic number, because the mean of its divisors is an integer number (6209280).

Almost surely, 2425759880 is an apocalyptic number.

425759880 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 425759880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (794787840).

425759880 is an abundant number, since it is smaller than the sum of its proper divisors (1163815800).

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

425759880 is a wasteful number, since it uses less digits than its factorization.

425759880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 48.

The square root of 425759880 is about 20633.9496946174. The cubic root of 425759880 is about 752.2951205093.

The spelling of 425759880 in words is "four hundred twenty-five million, seven hundred fifty-nine thousand, eight hundred eighty".