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427722308 = 22138225429
BaseRepresentation
bin11001011111101…
…000011001000100
31002210211112200222
4121133220121010
51333444103213
6110235323512
713412402546
oct3137503104
91083745628
10427722308
111aa490112
12bb2b0598
136a7c9930
1440b3d696
152783c808
hex197e8644

427722308 has 12 divisors (see below), whose sum is σ = 806092140. Its totient is φ = 197410272.

The previous prime is 427722299. The next prime is 427722311. The reversal of 427722308 is 803227724.

It can be written as a sum of positive squares in 2 ways, for example, as 106667584 + 321054724 = 10328^2 + 17918^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4112663 + ... + 4112766.

It is an arithmetic number, because the mean of its divisors is an integer number (67174345).

Almost surely, 2427722308 is an apocalyptic number.

It is an amenable number.

427722308 is a deficient number, since it is larger than the sum of its proper divisors (378369832).

427722308 is a wasteful number, since it uses less digits than its factorization.

427722308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8225446 (or 8225444 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 35.

The square root of 427722308 is about 20681.4484018891. The cubic root of 427722308 is about 753.4491845915.

The spelling of 427722308 in words is "four hundred twenty-seven million, seven hundred twenty-two thousand, three hundred eight".

Divisors: 1 2 4 13 26 52 8225429 16450858 32901716 106930577 213861154 427722308