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76369997 = 112631157
BaseRepresentation
bin1001000110101…
…01000001001101
312022200222221102
410203111001031
5124022314442
611324512445
71615064024
oct443250115
9168628842
1076369997
113a121a00
12216ab725
1312a8c062
14a1dd8bb
156a88232
hex48d504d

76369997 has 6 divisors (see below), whose sum is σ = 83944014. Its totient is φ = 69427160.

The previous prime is 76369991. The next prime is 76369999. The reversal of 76369997 is 79996367.

It can be written as a sum of positive squares in only one way, i.e., 75707401 + 662596 = 8701^2 + 814^2 .

It is a de Polignac number, because none of the positive numbers 2k-76369997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76369991) 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 in 5 ways as a sum of consecutive naturals, for example, 315458 + ... + 315699.

It is an arithmetic number, because the mean of its divisors is an integer number (13990669).

Almost surely, 276369997 is an apocalyptic number.

It is an amenable number.

76369997 is a deficient number, since it is larger than the sum of its proper divisors (7574017).

76369997 is a wasteful number, since it uses less digits than its factorization.

76369997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 631179 (or 631168 counting only the distinct ones).

The product of its digits is 3857868, while the sum is 56.

The square root of 76369997 is about 8738.9929053639. The cubic root of 76369997 is about 424.2686327959.

It can be divided in two parts, 76 and 369997, that added together give a palindrome (370073).

The spelling of 76369997 in words is "seventy-six million, three hundred sixty-nine thousand, nine hundred ninety-seven".

Divisors: 1 11 121 631157 6942727 76369997