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54428651 = 186729153
BaseRepresentation
bin1100111110100…
…0001111101011
310210102021001222
43033220033223
5102413204101
65222332255
71230431054
oct317501753
9123367058
1054428651
11287a6062
121628a08b
13b379104
14732b72b
154ba201b
hex33e83eb

54428651 has 4 divisors (see below), whose sum is σ = 54459672. Its totient is φ = 54397632.

The previous prime is 54428641. The next prime is 54428659. The reversal of 54428651 is 15682445.

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 54428651 - 210 = 54427627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54428659) 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, 12710 + ... + 16443.

It is an arithmetic number, because the mean of its divisors is an integer number (13614918).

Almost surely, 254428651 is an apocalyptic number.

54428651 is a deficient number, since it is larger than the sum of its proper divisors (31021).

54428651 is a wasteful number, since it uses less digits than its factorization.

54428651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31020.

The product of its digits is 38400, while the sum is 35.

The square root of 54428651 is about 7377.5775834619. The cubic root of 54428651 is about 378.9738032542.

The spelling of 54428651 in words is "fifty-four million, four hundred twenty-eight thousand, six hundred fifty-one".

Divisors: 1 1867 29153 54428651