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76982445 = 3258392039
BaseRepresentation
bin1001001011010…
…10100010101101
312100212010001200
410211222202231
5124201414240
611350000113
71623224421
oct445524255
9170763050
1076982445
113a500061
1221946039
1312c44a57
14a31cb81
156b59930
hex496a8ad

76982445 has 24 divisors (see below), whose sum is σ = 133660800. Its totient is φ = 40988256.

The previous prime is 76982431. The next prime is 76982497. The reversal of 76982445 is 54428967.

It is a happy number.

It is not a de Polignac number, because 76982445 - 24 = 76982429 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 76982445.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36736 + ... + 38774.

It is an arithmetic number, because the mean of its divisors is an integer number (5569200).

Almost surely, 276982445 is an apocalyptic number.

It is an amenable number.

76982445 is a deficient number, since it is larger than the sum of its proper divisors (56678355).

76982445 is a wasteful number, since it uses less digits than its factorization.

76982445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2889 (or 2886 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 76982445 is about 8773.9640414125. The cubic root of 76982445 is about 425.3997530573.

The spelling of 76982445 in words is "seventy-six million, nine hundred eighty-two thousand, four hundred forty-five".

Divisors: 1 3 5 9 15 45 839 2039 2517 4195 6117 7551 10195 12585 18351 30585 37755 91755 1710721 5132163 8553605 15396489 25660815 76982445