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54242578 = 2132160481
BaseRepresentation
bin1100111011101…
…0110100010010
310210001210211101
43032322310102
5102341230303
65214335014
71226024425
oct316726422
9123053741
1054242578
1128689285
12161ba46a
13b312500
1472bd9bc
154b66d1d
hex33bad12

54242578 has 12 divisors (see below), whose sum is σ = 88104618. Its totient is φ = 25034880.

The previous prime is 54242561. The next prime is 54242609. The reversal of 54242578 is 87524245.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 14085009 + 40157569 = 3753^2 + 6337^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 79903 + ... + 80578.

Almost surely, 254242578 is an apocalyptic number.

54242578 is a deficient number, since it is larger than the sum of its proper divisors (33862040).

54242578 is a wasteful number, since it uses less digits than its factorization.

54242578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160509 (or 160496 counting only the distinct ones).

The product of its digits is 89600, while the sum is 37.

The square root of 54242578 is about 7364.9560759043. The cubic root of 54242578 is about 378.5414494492.

The spelling of 54242578 in words is "fifty-four million, two hundred forty-two thousand, five hundred seventy-eight".

Divisors: 1 2 13 26 169 338 160481 320962 2086253 4172506 27121289 54242578