Search a number
-
+
7961252 = 2213211777
BaseRepresentation
bin11110010111101010100100
3112222110210012
4132113222210
54014230002
6442345352
7124445435
oct36275244
915873705
107961252
114548452
1227bb258
131859900
1410b348c
15a73d52
hex797aa4

7961252 has 18 divisors (see below), whose sum is σ = 15087618. Its totient is φ = 3674112.

The previous prime is 7961231. The next prime is 7961267. The reversal of 7961252 is 2521697.

It can be written as a sum of positive squares in 3 ways, for example, as 87616 + 7873636 = 296^2 + 2806^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5213 + ... + 6564.

It is an arithmetic number, because the mean of its divisors is an integer number (838201).

Almost surely, 27961252 is an apocalyptic number.

It is an amenable number.

7961252 is a deficient number, since it is larger than the sum of its proper divisors (7126366).

7961252 is a wasteful number, since it uses less digits than its factorization.

7961252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11807 (or 11792 counting only the distinct ones).

The product of its digits is 7560, while the sum is 32.

The square root of 7961252 is about 2821.5690670264. The cubic root of 7961252 is about 199.6765772706.

It can be divided in two parts, 796 and 1252, that added together give a 11-th power (2048 = 211).

The spelling of 7961252 in words is "seven million, nine hundred sixty-one thousand, two hundred fifty-two".

Divisors: 1 2 4 13 26 52 169 338 676 11777 23554 47108 153101 306202 612404 1990313 3980626 7961252