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427408930 = 25133287761
BaseRepresentation
bin11001011110011…
…011111000100010
31002210020121211101
4121132123320202
51333404041210
6110224505014
713406626114
oct3136337042
91083217741
10427408930
111aa296723
12bb17b16a
136a71a0c0
1440a9b3b4
15277c9a3a
hex1979be22

427408930 has 16 divisors (see below), whose sum is σ = 828516024. Its totient is φ = 157812480.

The previous prime is 427408897. The next prime is 427408939. The reversal of 427408930 is 39804724.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 279324369 + 148084561 = 16713^2 + 12169^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 427408930.

It is not an unprimeable number, because it can be changed into a prime (427408939) 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, 1643751 + ... + 1644010.

Almost surely, 2427408930 is an apocalyptic number.

427408930 is a deficient number, since it is larger than the sum of its proper divisors (401107094).

427408930 is a wasteful number, since it uses less digits than its factorization.

427408930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287781.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 427408930 is about 20673.8707067641. The cubic root of 427408930 is about 753.2651305281.

The spelling of 427408930 in words is "four hundred twenty-seven million, four hundred eight thousand, nine hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 3287761 6575522 16438805 32877610 42740893 85481786 213704465 427408930