Search a number
-
+
54839530 = 255483953
BaseRepresentation
bin1101000100110…
…0100011101010
310211012010200201
43101030203222
5103014331110
65235222414
71234062004
oct321144352
9124163621
1054839530
1128a56829
1216447a0a
13b491135
1473d7374
154c33b3a
hex344c8ea

54839530 has 8 divisors (see below), whose sum is σ = 98711172. Its totient is φ = 21935808.

The previous prime is 54839507. The next prime is 54839539. The reversal of 54839530 is 3593845.

It can be written as a sum of positive squares in 2 ways, for example, as 51538041 + 3301489 = 7179^2 + 1817^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 54839530.

It is not an unprimeable number, because it can be changed into a prime (54839539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2741967 + ... + 2741986.

Almost surely, 254839530 is an apocalyptic number.

54839530 is a deficient number, since it is larger than the sum of its proper divisors (43871642).

54839530 is a wasteful number, since it uses less digits than its factorization.

54839530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483960.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 54839530 is about 7405.3716989764. The cubic root of 54839530 is about 379.9250313788.

The spelling of 54839530 in words is "fifty-four million, eight hundred thirty-nine thousand, five hundred thirty".

Divisors: 1 2 5 10 5483953 10967906 27419765 54839530