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76356340 = 2253817817
BaseRepresentation
bin1001000110100…
…01101011110100
312022200022012121
410203101223310
5124021400330
611324325324
71615006144
oct443215364
9168608177
1076356340
113a112715
12216a3844
1312a85a88
14a1d8924
156a8417a
hex48d1af4

76356340 has 12 divisors (see below), whose sum is σ = 160348356. Its totient is φ = 30542528.

The previous prime is 76356331. The next prime is 76356359. The reversal of 76356340 is 4365367.

It can be written as a sum of positive squares in 2 ways, for example, as 21566736 + 54789604 = 4644^2 + 7402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 76356296 and 76356305.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1908889 + ... + 1908928.

It is an arithmetic number, because the mean of its divisors is an integer number (13362363).

Almost surely, 276356340 is an apocalyptic number.

It is an amenable number.

76356340 is an abundant number, since it is smaller than the sum of its proper divisors (83992016).

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

76356340 is a wasteful number, since it uses less digits than its factorization.

76356340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3817826 (or 3817824 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 76356340 is about 8738.2114874842. The cubic root of 76356340 is about 424.2433410916.

The spelling of 76356340 in words is "seventy-six million, three hundred fifty-six thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 3817817 7635634 15271268 19089085 38178170 76356340