Search a number
-
+
54420715 = 559184477
BaseRepresentation
bin1100111110011…
…0010011101011
310210101212012001
43033212103223
5102412430330
65222231431
71230365656
oct317462353
9123355161
1054420715
11287a00a8
1216285577
13b37560b
14732889d
154b9e9ca
hex33e64eb

54420715 has 8 divisors (see below), whose sum is σ = 66412080. Its totient is φ = 42798432.

The previous prime is 54420701. The next prime is 54420721. The reversal of 54420715 is 51702445.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54420715 is a prime.

It is a super-2 number, since 2×544207152 = 5923228442222450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91944 + ... + 92533.

It is an arithmetic number, because the mean of its divisors is an integer number (8301510).

Almost surely, 254420715 is an apocalyptic number.

54420715 is a deficient number, since it is larger than the sum of its proper divisors (11991365).

54420715 is a wasteful number, since it uses less digits than its factorization.

54420715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184541.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 54420715 is about 7377.0397179356. The cubic root of 54420715 is about 378.9553835296.

The spelling of 54420715 in words is "fifty-four million, four hundred twenty thousand, seven hundred fifteen".

Divisors: 1 5 59 295 184477 922385 10884143 54420715