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76128284 = 2219032071
BaseRepresentation
bin1001000100110…
…10000000011100
312022020201101002
410202122000130
5123442101114
611315405432
71613036231
oct442320034
9168221332
1076128284
1139a77341
12215b3878
1312a0602b
14a179788
156a3b7de
hex489a01c

76128284 has 6 divisors (see below), whose sum is σ = 133224504. Its totient is φ = 38064140.

The previous prime is 76128263. The next prime is 76128287. The reversal of 76128284 is 48282167.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76128287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9516032 + ... + 9516039.

It is an arithmetic number, because the mean of its divisors is an integer number (22204084).

Almost surely, 276128284 is an apocalyptic number.

It is an amenable number.

76128284 is a deficient number, since it is larger than the sum of its proper divisors (57096220).

76128284 is a wasteful number, since it uses less digits than its factorization.

76128284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032075 (or 19032073 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 76128284 is about 8725.1523768929. The cubic root of 76128284 is about 423.8205526983.

The spelling of 76128284 in words is "seventy-six million, one hundred twenty-eight thousand, two hundred eighty-four".

Divisors: 1 2 4 19032071 38064142 76128284