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76988 = 22191013
BaseRepresentation
bin10010110010111100
310220121102
4102302330
54430423
61352232
7440312
oct226274
9126542
1076988
115292a
1238678
1329072
14200b2
1517c28
hex12cbc

76988 has 12 divisors (see below), whose sum is σ = 141960. Its totient is φ = 36432.

The previous prime is 76963. The next prime is 76991. The reversal of 76988 is 88967.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

76988 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431 + ... + 582.

It is an arithmetic number, because the mean of its divisors is an integer number (11830).

276988 is an apocalyptic number.

It is an amenable number.

76988 is a deficient number, since it is larger than the sum of its proper divisors (64972).

76988 is a wasteful number, since it uses less digits than its factorization.

76988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1036 (or 1034 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 76988 is about 277.4671151686. The cubic root of 76988 is about 42.5409984995.

The spelling of 76988 in words is "seventy-six thousand, nine hundred eighty-eight".

Divisors: 1 2 4 19 38 76 1013 2026 4052 19247 38494 76988