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76089140 = 2253804457
BaseRepresentation
bin1001000100100…
…00011100110100
312022011201200022
410202100130310
5123434323030
611314504312
71612514141
oct442203464
9168151608
1076089140
1139a4a996
1221595098
13129c127a
14a1693c8
156a2ede5
hex4890734

76089140 has 12 divisors (see below), whose sum is σ = 159787236. Its totient is φ = 30435648.

The previous prime is 76089113. The next prime is 76089149. The reversal of 76089140 is 4198067.

It can be written as a sum of positive squares in 2 ways, for example, as 34975396 + 41113744 = 5914^2 + 6412^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76089140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76089149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1902209 + ... + 1902248.

It is an arithmetic number, because the mean of its divisors is an integer number (13315603).

Almost surely, 276089140 is an apocalyptic number.

It is an amenable number.

76089140 is an abundant number, since it is smaller than the sum of its proper divisors (83698096).

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

76089140 is a wasteful number, since it uses less digits than its factorization.

76089140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804466 (or 3804464 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 76089140 is about 8722.9089184744. The cubic root of 76089140 is about 423.7478995612.

The spelling of 76089140 in words is "seventy-six million, eighty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 3804457 7608914 15217828 19022285 38044570 76089140