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76805060 = 2253840253
BaseRepresentation
bin1001001001111…
…11001111000100
312100112002201212
410210333033010
5124130230220
611342110552
71621555313
oct444771704
9170462655
1076805060
113a399862
122187b458
1312bb20a7
14a2b427a
156b220c5
hex493f3c4

76805060 has 12 divisors (see below), whose sum is σ = 161290668. Its totient is φ = 30722016.

The previous prime is 76805059. The next prime is 76805101. The reversal of 76805060 is 6050867.

It can be written as a sum of positive squares in 2 ways, for example, as 58125376 + 18679684 = 7624^2 + 4322^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1920107 + ... + 1920146.

It is an arithmetic number, because the mean of its divisors is an integer number (13440889).

Almost surely, 276805060 is an apocalyptic number.

It is an amenable number.

76805060 is an abundant number, since it is smaller than the sum of its proper divisors (84485608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76805060 is a wasteful number, since it uses less digits than its factorization.

76805060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3840262 (or 3840260 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 76805060 is about 8763.8496107590. The cubic root of 76805060 is about 425.0727626284.

The spelling of 76805060 in words is "seventy-six million, eight hundred five thousand, sixty".

Divisors: 1 2 4 5 10 20 3840253 7680506 15361012 19201265 38402530 76805060