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54126538 = 2171978081
BaseRepresentation
bin1100111001111…
…0011111001010
310202211220122121
43032132133022
5102324022123
65212041454
71225032214
oct316363712
9122756577
1054126538
112860a084
121616328a
13b2a174b
14728d5b4
154b4275d
hex339e7ca

54126538 has 16 divisors (see below), whose sum is σ = 86412744. Its totient is φ = 25338880.

The previous prime is 54126533. The next prime is 54126539. The reversal of 54126538 is 83562145.

It can be written as a sum of positive squares in 4 ways, for example, as 54125449 + 1089 = 7357^2 + 33^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (54126533) 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, 2658 + ... + 10738.

Almost surely, 254126538 is an apocalyptic number.

54126538 is a deficient number, since it is larger than the sum of its proper divisors (32286206).

54126538 is a wasteful number, since it uses less digits than its factorization.

54126538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8297.

The product of its digits is 28800, while the sum is 34.

The square root of 54126538 is about 7357.0740107736. The cubic root of 54126538 is about 378.2713214921.

The spelling of 54126538 in words is "fifty-four million, one hundred twenty-six thousand, five hundred thirty-eight".

Divisors: 1 2 17 34 197 394 3349 6698 8081 16162 137377 274754 1591957 3183914 27063269 54126538