Search a number
-
+
54928459 = 166932911
BaseRepresentation
bin1101000110001…
…0010001001011
310211100122200101
43101202101023
5103030202314
65241150231
71234612165
oct321422113
9124318611
1054928459
1129007623
121648b377
13b4c2761
14741b935
154c50174
hex346244b

54928459 has 4 divisors (see below), whose sum is σ = 54963040. Its totient is φ = 54893880.

The previous prime is 54928421. The next prime is 54928483. The reversal of 54928459 is 95482945.

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 54928459 - 29 = 54927947 is a prime.

It is a super-2 number, since 2×549284592 = 6034271216229362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54928859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14787 + ... + 18124.

It is an arithmetic number, because the mean of its divisors is an integer number (13740760).

Almost surely, 254928459 is an apocalyptic number.

54928459 is a deficient number, since it is larger than the sum of its proper divisors (34581).

54928459 is a wasteful number, since it uses less digits than its factorization.

54928459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34580.

The product of its digits is 518400, while the sum is 46.

The square root of 54928459 is about 7411.3736243695. The cubic root of 54928459 is about 380.1302854273.

The spelling of 54928459 in words is "fifty-four million, nine hundred twenty-eight thousand, four hundred fifty-nine".

Divisors: 1 1669 32911 54928459