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7996728 = 233333197
BaseRepresentation
bin11110100000010100111000
3120001021110010
4132200110320
54021343403
6443221520
7124654035
oct36402470
916037403
107996728
114572073
1228178a0
13186cabc
1410c238c
15a7e603
hex7a0538

7996728 has 16 divisors (see below), whose sum is σ = 19991880. Its totient is φ = 2665568.

The previous prime is 7996727. The next prime is 7996733. The reversal of 7996728 is 8276997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7996727) 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, 166575 + ... + 166622.

Almost surely, 27996728 is an apocalyptic number.

It is an amenable number.

7996728 is an abundant number, since it is smaller than the sum of its proper divisors (11995152).

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

7996728 is a wasteful number, since it uses less digits than its factorization.

7996728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333206 (or 333202 counting only the distinct ones).

The product of its digits is 381024, while the sum is 48.

The square root of 7996728 is about 2827.8486522443. The cubic root of 7996728 is about 199.9727296151.

The spelling of 7996728 in words is "seven million, nine hundred ninety-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 24 333197 666394 999591 1332788 1999182 2665576 3998364 7996728