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76006984 = 239500873
BaseRepresentation
bin1001000011111…
…00011001001000
312022000112222111
410201330121020
5123424210414
611313032104
71612022464
oct441743110
9168015874
1076006984
11399a4199
1221555634
1312992a61
14a1474a4
156a158c4
hex487c648

76006984 has 8 divisors (see below), whose sum is σ = 142513110. Its totient is φ = 38003488.

The previous prime is 76006981. The next prime is 76006993. The reversal of 76006984 is 48960067.

It can be written as a sum of positive squares in only one way, i.e., 75864100 + 142884 = 8710^2 + 378^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (76006981) 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 as a sum of consecutive naturals, namely, 4750429 + ... + 4750444.

Almost surely, 276006984 is an apocalyptic number.

It is an amenable number.

76006984 is a deficient number, since it is larger than the sum of its proper divisors (66506126).

76006984 is a wasteful number, since it uses less digits than its factorization.

76006984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9500879 (or 9500875 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 76006984 is about 8718.1984377508. The cubic root of 76006984 is about 423.5953330245.

The spelling of 76006984 in words is "seventy-six million, six thousand, nine hundred eighty-four".

Divisors: 1 2 4 8 9500873 19001746 38003492 76006984