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54122113 = 383141311
BaseRepresentation
bin1100111001110…
…1011010000001
310202211200120201
43032131122001
5102323401423
65212005201
71225013263
oct316353201
9122750521
1054122113
1128606821
1216160801
13b29c726
14728bb33
154b412ad
hex339d681

54122113 has 4 divisors (see below), whose sum is σ = 54263808. Its totient is φ = 53980420.

The previous prime is 54122111. The next prime is 54122119. The reversal of 54122113 is 31122145.

54122113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31122145 = 56224429.

It is a cyclic number.

It is not a de Polignac number, because 54122113 - 21 = 54122111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54122111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70273 + ... + 71038.

It is an arithmetic number, because the mean of its divisors is an integer number (13565952).

Almost surely, 254122113 is an apocalyptic number.

It is an amenable number.

54122113 is a deficient number, since it is larger than the sum of its proper divisors (141695).

54122113 is a wasteful number, since it uses less digits than its factorization.

54122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141694.

The product of its digits is 240, while the sum is 19.

The square root of 54122113 is about 7356.7732736574. The cubic root of 54122113 is about 378.2610129553.

Adding to 54122113 its reverse (31122145), we get a palindrome (85244258).

The spelling of 54122113 in words is "fifty-four million, one hundred twenty-two thousand, one hundred thirteen".

Divisors: 1 383 141311 54122113