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76797045 = 3351343759
BaseRepresentation
bin1001001001111…
…01010001110101
312100111200202000
410210331101311
5124130001140
611342005513
71621523043
oct444752165
9170450660
1076797045
113a393836
1221876899
1312bab550
14a2b1393
156b1ea30
hex493d475

76797045 has 32 divisors (see below), whose sum is σ = 147033600. Its totient is φ = 37806912.

The previous prime is 76797043. The next prime is 76797073. The reversal of 76797045 is 54079767.

It is not a de Polignac number, because 76797045 - 21 = 76797043 is a prime.

It is a super-2 number, since 2×767970452 = 11795572241464050, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76797043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20125 + ... + 23634.

It is an arithmetic number, because the mean of its divisors is an integer number (4594800).

Almost surely, 276797045 is an apocalyptic number.

It is an amenable number.

76797045 is a deficient number, since it is larger than the sum of its proper divisors (70236555).

76797045 is a wasteful number, since it uses less digits than its factorization.

76797045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43786 (or 43780 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The square root of 76797045 is about 8763.3923226111. The cubic root of 76797045 is about 425.0579759433.

The spelling of 76797045 in words is "seventy-six million, seven hundred ninety-seven thousand, forty-five".

Divisors: 1 3 5 9 13 15 27 39 45 65 117 135 195 351 585 1755 43759 131277 218795 393831 568867 656385 1181493 1706601 1969155 2844335 5119803 5907465 8533005 15359409 25599015 76797045