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7980232 = 231376733
BaseRepresentation
bin11110011100010011001000
3120000102211011
4132130103020
54020331412
6443013304
7124554661
oct36342310
916012734
107980232
114560737
12280a234
131865440
1410ba368
15a797a7
hex79c4c8

7980232 has 16 divisors (see below), whose sum is σ = 16114140. Its totient is φ = 3683136.

The previous prime is 7980227. The next prime is 7980239. The reversal of 7980232 is 2320897.

7980232 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7695076 + 285156 = 2774^2 + 534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7980194 and 7980203.

It is not an unprimeable number, because it can be changed into a prime (7980239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38263 + ... + 38470.

Almost surely, 27980232 is an apocalyptic number.

It is an amenable number.

7980232 is an abundant number, since it is smaller than the sum of its proper divisors (8133908).

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

7980232 is a wasteful number, since it uses less digits than its factorization.

7980232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76752 (or 76748 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 7980232 is about 2824.9304416215. The cubic root of 7980232 is about 199.8351307947.

The spelling of 7980232 in words is "seven million, nine hundred eighty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 104 76733 153466 306932 613864 997529 1995058 3990116 7980232