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425688180 = 22357619323
BaseRepresentation
bin11001010111110…
…111110001110100
31002200000012101220
4121113313301310
51332434010210
6110123550340
713356201261
oct3127676164
91080005356
10425688180
111a9320915
12ba68b3b0
136a266ac8
1440770268
1527589c70
hex195f7c74

425688180 has 48 divisors (see below), whose sum is σ = 1193621184. Its totient is φ = 113355520.

The previous prime is 425688173. The next prime is 425688191. The reversal of 425688180 is 81886524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40999 + ... + 50321.

It is an arithmetic number, because the mean of its divisors is an integer number (24867108).

Almost surely, 2425688180 is an apocalyptic number.

It is an amenable number.

425688180 is an abundant number, since it is smaller than the sum of its proper divisors (767933004).

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

425688180 is a wasteful number, since it uses less digits than its factorization.

425688180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10096 (or 10094 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 42.

The square root of 425688180 is about 20632.2121935579. The cubic root of 425688180 is about 752.2528881064.

The spelling of 425688180 in words is "four hundred twenty-five million, six hundred eighty-eight thousand, one hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 761 1522 2283 3044 3805 4566 7610 9132 9323 11415 15220 18646 22830 27969 37292 45660 46615 55938 93230 111876 139845 186460 279690 559380 7094803 14189606 21284409 28379212 35474015 42568818 70948030 85137636 106422045 141896060 212844090 425688180