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77338484 = 2261316961
BaseRepresentation
bin1001001110000…
…01011101110100
312101112012110022
410213001131310
5124244312414
611401344312
71626236426
oct447013564
9171465408
1077338484
113a723603
1221a98098
131303ab22
14a3b2816
156bca18e
hex49c1774

77338484 has 12 divisors (see below), whose sum is σ = 137561508. Its totient is φ = 38035200.

The previous prime is 77338433. The next prime is 77338517. The reversal of 77338484 is 48483377.

It can be written as a sum of positive squares in 2 ways, for example, as 25786084 + 51552400 = 5078^2 + 7180^2 .

It is a super-2 number, since 2×773384842 = 11962482214836512, which contains 22 as substring.

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, 158237 + ... + 158724.

It is an arithmetic number, because the mean of its divisors is an integer number (11463459).

Almost surely, 277338484 is an apocalyptic number.

It is an amenable number.

77338484 is a deficient number, since it is larger than the sum of its proper divisors (60223024).

77338484 is a wasteful number, since it uses less digits than its factorization.

77338484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 317026 (or 317024 counting only the distinct ones).

The product of its digits is 451584, while the sum is 44.

The square root of 77338484 is about 8794.2301539134. The cubic root of 77338484 is about 426.0545603743.

The spelling of 77338484 in words is "seventy-seven million, three hundred thirty-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 61 122 244 316961 633922 1267844 19334621 38669242 77338484