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54258239 = 724572423
BaseRepresentation
bin1100111011111…
…0101000111111
310210002121022102
43032332220333
5102342230424
65214535315
71226121200
oct316765077
9123077272
1054258239
112869a022
121620753b
13b319689
1472c55a7
154b6b7ae
hex33bea3f

54258239 has 12 divisors (see below), whose sum is σ = 63280944. Its totient is φ = 46386144.

The previous prime is 54258209. The next prime is 54258247. The reversal of 54258239 is 93285245.

It is not a de Polignac number, because 54258239 - 216 = 54192703 is a prime.

It is a super-2 number, since 2×542582392 = 5887912998762242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54258209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21182 + ... + 23604.

It is an arithmetic number, because the mean of its divisors is an integer number (5273412).

Almost surely, 254258239 is an apocalyptic number.

54258239 is a deficient number, since it is larger than the sum of its proper divisors (9022705).

54258239 is a wasteful number, since it uses less digits than its factorization.

54258239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894 (or 2887 counting only the distinct ones).

The product of its digits is 86400, while the sum is 38.

The square root of 54258239 is about 7366.0192098582. The cubic root of 54258239 is about 378.5778769655.

The spelling of 54258239 in words is "fifty-four million, two hundred fifty-eight thousand, two hundred thirty-nine".

Divisors: 1 7 49 457 2423 3199 16961 22393 118727 1107311 7751177 54258239