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54339287 = 64384509
BaseRepresentation
bin1100111101001…
…0011011010111
310210020201111012
43033102123113
5102402324122
65220402435
71226606402
oct317223327
9123221435
1054339287
1128744a02
121624641b
13b347532
147306d39
154b857e2
hex33d26d7

54339287 has 4 divisors (see below), whose sum is σ = 54424440. Its totient is φ = 54254136.

The previous prime is 54339283. The next prime is 54339289. The reversal of 54339287 is 78293345.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 54339287 - 22 = 54339283 is a prime.

It is a super-2 number, since 2×543392872 = 5905516223336738, 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 (54339283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41612 + ... + 42897.

It is an arithmetic number, because the mean of its divisors is an integer number (13606110).

Almost surely, 254339287 is an apocalyptic number.

54339287 is a deficient number, since it is larger than the sum of its proper divisors (85153).

54339287 is an equidigital number, since it uses as much as digits as its factorization.

54339287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85152.

The product of its digits is 181440, while the sum is 41.

The square root of 54339287 is about 7371.5186359393. The cubic root of 54339287 is about 378.7662828524.

The spelling of 54339287 in words is "fifty-four million, three hundred thirty-nine thousand, two hundred eighty-seven".

Divisors: 1 643 84509 54339287