Search a number
-
+
12552790 = 251255279
BaseRepresentation
bin101111111000…
…101001010110
3212121202012011
4233320221112
511203142130
61125014434
7211461025
oct57705126
925552164
1012552790
1170a4108
12425441a
1327a67b3
14194a8bc
15117e52a
hexbf8a56

12552790 has 8 divisors (see below), whose sum is σ = 22595040. Its totient is φ = 5021112.

The previous prime is 12552773. The next prime is 12552791. The reversal of 12552790 is 9725521.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12552791) 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, 627630 + ... + 627649.

It is an arithmetic number, because the mean of its divisors is an integer number (2824380).

Almost surely, 212552790 is an apocalyptic number.

12552790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12552790 is a deficient number, since it is larger than the sum of its proper divisors (10042250).

12552790 is a wasteful number, since it uses less digits than its factorization.

12552790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255286.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 12552790 is about 3542.9916737131. The cubic root of 12552790 is about 232.4056888078.

The spelling of 12552790 in words is "twelve million, five hundred fifty-two thousand, seven hundred ninety".

Divisors: 1 2 5 10 1255279 2510558 6276395 12552790