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76152087 = 32111097057
BaseRepresentation
bin1001000100111…
…11110100010111
312022021221000200
410202133310113
5123443331322
611320111543
71613165514
oct442376427
9168257020
1076152087
1139a93210
12216055b3
1312a13b0b
14a18430b
156a438ac
hex489fd17

76152087 has 24 divisors (see below), whose sum is σ = 121115280. Its totient is φ = 45722880.

The previous prime is 76152071. The next prime is 76152101. The reversal of 76152087 is 78025167.

It is not a de Polignac number, because 76152087 - 24 = 76152071 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76152487) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7263 + ... + 14319.

It is an arithmetic number, because the mean of its divisors is an integer number (5046470).

Almost surely, 276152087 is an apocalyptic number.

76152087 is a deficient number, since it is larger than the sum of its proper divisors (44963193).

76152087 is a wasteful number, since it uses less digits than its factorization.

76152087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7183 (or 7180 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 36.

The square root of 76152087 is about 8726.5163152314. The cubic root of 76152087 is about 423.8647200294.

Subtracting 76152087 from its reverse (78025167), we obtain a triangular number (1873080 = T1935).

The spelling of 76152087 in words is "seventy-six million, one hundred fifty-two thousand, eighty-seven".

Divisors: 1 3 9 11 33 99 109 327 981 1199 3597 7057 10791 21171 63513 77627 232881 698643 769213 2307639 6922917 8461343 25384029 76152087