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7968032 = 254992
BaseRepresentation
bin11110011001010100100000
3112222211002022
4132121110200
54014434112
6442441012
7124504262
oct36312440
915884068
107968032
114552556
122803168
13185ca17
1410b5b32
15a75d72
hex799520

7968032 has 18 divisors (see below), whose sum is σ = 15718563. Its totient is φ = 3976032.

The previous prime is 7968031. The next prime is 7968043. The reversal of 7968032 is 2308697.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 3984016 + 3984016 = 1996^2 + 1996^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=1996.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7967983 and 7968001.

It is not an unprimeable number, because it can be changed into a prime (7968031) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 15719 + ... + 16217.

Almost surely, 27968032 is an apocalyptic number.

It is an amenable number.

7968032 is a deficient number, since it is larger than the sum of its proper divisors (7750531).

7968032 is an frugal number, since it uses more digits than its factorization.

7968032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 7968032 is about 2822.7702704967. The cubic root of 7968032 is about 199.7332443653.

The spelling of 7968032 in words is "seven million, nine hundred sixty-eight thousand, thirty-two".

Divisors: 1 2 4 8 16 32 499 998 1996 3992 7984 15968 249001 498002 996004 1992008 3984016 7968032