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427903134 = 23471517387
BaseRepresentation
bin11001100000010…
…100100010011110
31002211011201202020
4121200110202132
51334020400014
6110243241010
713414055001
oct3140244236
91084151666
10427903134
111aa5a3a5a
12bb379166
136a861029
1440b89538
15278761a9
hex1981489e

427903134 has 16 divisors (see below), whose sum is σ = 874015488. Its totient is φ = 139599512.

The previous prime is 427903127. The next prime is 427903163. The reversal of 427903134 is 431309724.

It is a junction number, because it is equal to n+sod(n) for n = 427903095 and 427903104.

It is a congruent number.

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, 758412 + ... + 758975.

It is an arithmetic number, because the mean of its divisors is an integer number (54625968).

Almost surely, 2427903134 is an apocalyptic number.

427903134 is an abundant number, since it is smaller than the sum of its proper divisors (446112354).

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

427903134 is a wasteful number, since it uses less digits than its factorization.

427903134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1517439.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 427903134 is about 20685.8196356828. The cubic root of 427903134 is about 753.5553469346. Note that the first 3 decimals are identical.

The spelling of 427903134 in words is "four hundred twenty-seven million, nine hundred three thousand, one hundred thirty-four".

Divisors: 1 2 3 6 47 94 141 282 1517387 3034774 4552161 9104322 71317189 142634378 213951567 427903134