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538981134 = 23791137091
BaseRepresentation
bin100000001000000…
…011001100001110
31101120012002010020
4200020003030032
52100434344014
6125252123010
716233156366
oct4010031416
91346162106
10538981134
1125727155a
12130606466
1387882c63
14518219a6
15324b81a9
hex2020330e

538981134 has 16 divisors (see below), whose sum is σ = 1091608320. Its totient is φ = 177386040.

The previous prime is 538981133. The next prime is 538981169. The reversal of 538981134 is 431189835.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (538981133) 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, 568072 + ... + 569019.

It is an arithmetic number, because the mean of its divisors is an integer number (68225520).

Almost surely, 2538981134 is an apocalyptic number.

538981134 is an abundant number, since it is smaller than the sum of its proper divisors (552627186).

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

538981134 is a wasteful number, since it uses less digits than its factorization.

538981134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1137175.

The product of its digits is 103680, while the sum is 42.

The square root of 538981134 is about 23215.9672208590. The cubic root of 538981134 is about 813.8128092321.

The spelling of 538981134 in words is "five hundred thirty-eight million, nine hundred eighty-one thousand, one hundred thirty-four".

Divisors: 1 2 3 6 79 158 237 474 1137091 2274182 3411273 6822546 89830189 179660378 269490567 538981134