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54100111 = 132320119
BaseRepresentation
bin1100111001100…
…0000010001111
310202210120101211
43032120002033
5102322200421
65211315251
71224562162
oct316300217
9122716354
1054100111
11285a123a
121614bb27
13b292700
147283ad9
154b399e1
hex339808f

54100111 has 6 divisors (see below), whose sum is σ = 58581960. Its totient is φ = 49938408.

The previous prime is 54100099. The next prime is 54100133. The reversal of 54100111 is 11100145.

Adding to 54100111 its reverse (11100145), we get a palindrome (65200256).

It is not a de Polignac number, because 54100111 - 29 = 54099599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54100091 and 54100100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54100141) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 159891 + ... + 160228.

It is an arithmetic number, because the mean of its divisors is an integer number (9763660).

Almost surely, 254100111 is an apocalyptic number.

54100111 is a deficient number, since it is larger than the sum of its proper divisors (4481849).

54100111 is a wasteful number, since it uses less digits than its factorization.

54100111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320145 (or 320132 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 54100111 is about 7355.2777649794. The cubic root of 54100111 is about 378.2097484699.

The spelling of 54100111 in words is "fifty-four million, one hundred thousand, one hundred eleven".

Divisors: 1 13 169 320119 4161547 54100111