Search a number
-
+
54456140 = 2259972731
BaseRepresentation
bin1100111110111…
…0111101001100
310210110122210002
43033232331030
5102420044030
65223103432
71230604154
oct317567514
9123418702
1054456140
1128814782
12162a1b78
13b38878b
147337764
154baa245
hex33eef4c

54456140 has 24 divisors (see below), whose sum is σ = 114514512. Its totient is φ = 21752640.

The previous prime is 54456133. The next prime is 54456161. The reversal of 54456140 is 4165445.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18575 + ... + 21305.

It is an arithmetic number, because the mean of its divisors is an integer number (4771438).

Almost surely, 254456140 is an apocalyptic number.

It is an amenable number.

54456140 is an abundant number, since it is smaller than the sum of its proper divisors (60058372).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54456140 is a wasteful number, since it uses less digits than its factorization.

54456140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3737 (or 3735 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 54456140 is about 7379.4403581844. The cubic root of 54456140 is about 379.0375923150.

The spelling of 54456140 in words is "fifty-four million, four hundred fifty-six thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 997 1994 2731 3988 4985 5462 9970 10924 13655 19940 27310 54620 2722807 5445614 10891228 13614035 27228070 54456140