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76961490 = 2352565383
BaseRepresentation
bin1001001011001…
…01011011010010
312100211001022120
410211211123102
5124200231430
611345315110
71623106344
oct445453322
9170731276
1076961490
113a496341
1221935a96
1312c38358
14a315294
156b53610
hex49656d2

76961490 has 16 divisors (see below), whose sum is σ = 184707648. Its totient is φ = 20523056.

The previous prime is 76961483. The next prime is 76961503. The reversal of 76961490 is 9416967.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1282662 + ... + 1282721.

It is an arithmetic number, because the mean of its divisors is an integer number (11544228).

Almost surely, 276961490 is an apocalyptic number.

76961490 is an abundant number, since it is smaller than the sum of its proper divisors (107746158).

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

76961490 is a wasteful number, since it uses less digits than its factorization.

76961490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565393.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 76961490 is about 8772.7698020637. The cubic root of 76961490 is about 425.3611509198.

The spelling of 76961490 in words is "seventy-six million, nine hundred sixty-one thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 2565383 5130766 7696149 12826915 15392298 25653830 38480745 76961490