Search a number
-
+
54871797 = 329636173
BaseRepresentation
bin1101000101010…
…0011011110101
310211020202221210
43101110123311
5103021344142
65240032033
71234255041
oct321243365
9124222853
1054871797
1128a78aa2
1216462619
13b4a2a26
147405021
154c3d49c
hex34546f5

54871797 has 8 divisors (see below), whose sum is σ = 73198944. Its totient is φ = 36562928.

The previous prime is 54871769. The next prime is 54871807. The reversal of 54871797 is 79717845.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54871797 - 28 = 54871541 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54871897) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5803 + ... + 11975.

It is an arithmetic number, because the mean of its divisors is an integer number (9149868).

Almost surely, 254871797 is an apocalyptic number.

It is an amenable number.

54871797 is a deficient number, since it is larger than the sum of its proper divisors (18327147).

54871797 is a wasteful number, since it uses less digits than its factorization.

54871797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9139.

The product of its digits is 493920, while the sum is 48.

The square root of 54871797 is about 7407.5499998313. The cubic root of 54871797 is about 379.9995313937. Note that the first 3 decimals are identical.

The spelling of 54871797 in words is "fifty-four million, eight hundred seventy-one thousand, seven hundred ninety-seven".

Divisors: 1 3 2963 6173 8889 18519 18290599 54871797