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420983274 = 23174127287
BaseRepresentation
bin11001000101111…
…011000111101010
31002100011011111010
4121011323013222
51330232431044
6105435044350
713301204325
oct3105730752
91070134433
10420983274
111a66a7a68
12b8ba06b6
13692aa43a
143dca77bc
1526e5abb9
hex1917b1ea

420983274 has 16 divisors (see below), whose sum is σ = 891494208. Its totient is φ = 132073152.

The previous prime is 420983263. The next prime is 420983309. The reversal of 420983274 is 472389024.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063542 + ... + 2063745.

It is an arithmetic number, because the mean of its divisors is an integer number (55718388).

Almost surely, 2420983274 is an apocalyptic number.

420983274 is an abundant number, since it is smaller than the sum of its proper divisors (470510934).

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

420983274 is a wasteful number, since it uses less digits than its factorization.

420983274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4127309.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 420983274 is about 20517.8769369543. The cubic root of 420983274 is about 749.4711970220.

The spelling of 420983274 in words is "four hundred twenty million, nine hundred eighty-three thousand, two hundred seventy-four".

Divisors: 1 2 3 6 17 34 51 102 4127287 8254574 12381861 24763722 70163879 140327758 210491637 420983274