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425710920 = 23353547591
BaseRepresentation
bin11001010111111…
…101010101001000
31002200001100121010
4121113331111020
51332440222140
6110124243520
713356324465
oct3127752510
91080040533
10425710920
111a9336a08
12ba6a05a0
136a27426b
144077866c
1527591880
hex195fd548

425710920 has 32 divisors (see below), whose sum is σ = 1277133120. Its totient is φ = 113522880.

The previous prime is 425710907. The next prime is 425710921. The reversal of 425710920 is 29017524.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (425710921) 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, 1773676 + ... + 1773915.

It is an arithmetic number, because the mean of its divisors is an integer number (39910410).

Almost surely, 2425710920 is an apocalyptic number.

425710920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

425710920 is an abundant number, since it is smaller than the sum of its proper divisors (851422200).

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

425710920 is a wasteful number, since it uses less digits than its factorization.

425710920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3547605 (or 3547601 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 425710920 is about 20632.7632662230. The cubic root of 425710920 is about 752.2662828297.

The spelling of 425710920 in words is "four hundred twenty-five million, seven hundred ten thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 3547591 7095182 10642773 14190364 17737955 21285546 28380728 35475910 42571092 53213865 70951820 85142184 106427730 141903640 212855460 425710920