Search a number
-
+
54399451 = 192314861
BaseRepresentation
bin1100111110000…
…1000111011011
310210100210000111
43033201013123
5102411240301
65221545151
71230246661
oct317410733
9123323014
1054399451
1128786127
12162751b7
13b368a32
147320c31
154b98551
hex33e11db

54399451 has 12 divisors (see below), whose sum is σ = 59277504. Its totient is φ = 49863600.

The previous prime is 54399437. The next prime is 54399461. The reversal of 54399451 is 15499345.

It is not a de Polignac number, because 54399451 - 211 = 54397403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54399431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8761 + ... + 13621.

It is an arithmetic number, because the mean of its divisors is an integer number (4939792).

Almost surely, 254399451 is an apocalyptic number.

54399451 is a deficient number, since it is larger than the sum of its proper divisors (4878053).

54399451 is a wasteful number, since it uses less digits than its factorization.

54399451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4930 (or 4911 counting only the distinct ones).

The product of its digits is 97200, while the sum is 40.

The square root of 54399451 is about 7375.5983486087. The cubic root of 54399451 is about 378.9060202371.

The spelling of 54399451 in words is "fifty-four million, three hundred ninety-nine thousand, four hundred fifty-one".

Divisors: 1 19 31 361 589 4861 11191 92359 150691 1754821 2863129 54399451