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430080872 = 23134579049
BaseRepresentation
bin11001101000101…
…000001101101000
31002222021101001012
4121220220031220
51340100041442
6110402043052
713441425044
oct3150501550
91088241035
10430080872
11200851141
12100049488
136b144330
1441195024
1527b56582
hex19a28368

430080872 has 32 divisors (see below), whose sum is σ = 870429000. Its totient is φ = 198042624.

The previous prime is 430080869. The next prime is 430080877. The reversal of 430080872 is 278080034.

It can be written as a sum of positive squares in 4 ways, for example, as 412658596 + 17422276 = 20314^2 + 4174^2 .

It is not an unprimeable number, because it can be changed into a prime (430080877) 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, 43004 + ... + 52052.

Almost surely, 2430080872 is an apocalyptic number.

It is an amenable number.

430080872 is an abundant number, since it is smaller than the sum of its proper divisors (440348128).

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

430080872 is a wasteful number, since it uses less digits than its factorization.

430080872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9525 (or 9521 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 430080872 is about 20738.3912587259. The cubic root of 430080872 is about 754.8315469978.

The spelling of 430080872 in words is "four hundred thirty million, eighty thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 457 914 1828 3656 5941 9049 11882 18098 23764 36196 47528 72392 117637 235274 470548 941096 4135393 8270786 16541572 33083144 53760109 107520218 215040436 430080872