Search a number
-
+
3156260 = 225157813
BaseRepresentation
bin1100000010100100100100
312221100120112
430002210210
51302000020
6151352152
735553632
oct14024444
95840515
103156260
111866388
121082658
13866813
145c2352
154252c5
hex302924

3156260 has 12 divisors (see below), whose sum is σ = 6628188. Its totient is φ = 1262496.

The previous prime is 3156259. The next prime is 3156277. The reversal of 3156260 is 626513.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 1036324 = 1456^2 + 1018^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78887 + ... + 78926.

It is an arithmetic number, because the mean of its divisors is an integer number (552349).

Almost surely, 23156260 is an apocalyptic number.

It is an amenable number.

3156260 is an abundant number, since it is smaller than the sum of its proper divisors (3471928).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3156260 is a wasteful number, since it uses less digits than its factorization.

3156260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157822 (or 157820 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3156260 is about 1776.5866148319. The cubic root of 3156260 is about 146.6867626275.

The spelling of 3156260 in words is "three million, one hundred fifty-six thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 157813 315626 631252 789065 1578130 3156260