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54144679 = 55639733
BaseRepresentation
bin1100111010001…
…0111010100111
310202212211112111
43032202322213
5102330112204
65212301451
71225136131
oct316427247
9122784474
1054144679
1128621776
1216171887
13b2a9a94
147296051
154b47d04
hex33a2ea7

54144679 has 4 divisors (see below), whose sum is σ = 54159976. Its totient is φ = 54129384.

The previous prime is 54144659. The next prime is 54144689. The reversal of 54144679 is 97644145.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 54144679 - 223 = 45756071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54144659) 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, 697 + ... + 10429.

It is an arithmetic number, because the mean of its divisors is an integer number (13539994).

Almost surely, 254144679 is an apocalyptic number.

54144679 is a deficient number, since it is larger than the sum of its proper divisors (15297).

54144679 is an equidigital number, since it uses as much as digits as its factorization.

54144679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15296.

The product of its digits is 120960, while the sum is 40.

The square root of 54144679 is about 7358.3068025192. The cubic root of 54144679 is about 378.3135771261.

The spelling of 54144679 in words is "fifty-four million, one hundred forty-four thousand, six hundred seventy-nine".

Divisors: 1 5563 9733 54144679