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76344740 = 2253817237
BaseRepresentation
bin1001000110011…
…10110110100100
312022122201021222
410203032312210
5124021012430
611324155512
71614630263
oct443166644
9168581258
1076344740
113a104a2a
1221698b98
1312a80704
14a1d45da
156a809e5
hex48ceda4

76344740 has 12 divisors (see below), whose sum is σ = 160323996. Its totient is φ = 30537888.

The previous prime is 76344713. The next prime is 76344743. The reversal of 76344740 is 4744367.

It can be written as a sum of positive squares in 2 ways, for example, as 16777216 + 59567524 = 4096^2 + 7718^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 76344740.

It is not an unprimeable number, because it can be changed into a prime (76344743) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1908599 + ... + 1908638.

It is an arithmetic number, because the mean of its divisors is an integer number (13360333).

Almost surely, 276344740 is an apocalyptic number.

It is an amenable number.

76344740 is an abundant number, since it is smaller than the sum of its proper divisors (83979256).

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

76344740 is a wasteful number, since it uses less digits than its factorization.

76344740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817246 (or 3817244 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 35.

The square root of 76344740 is about 8737.5477108855. The cubic root of 76344740 is about 424.2218564230.

The spelling of 76344740 in words is "seventy-six million, three hundred forty-four thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 3817237 7634474 15268948 19086185 38172370 76344740