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76669472 = 2511219801
BaseRepresentation
bin1001001000111…
…10001000100000
312100021012202002
410210132020200
5124111410342
611335143132
71620452105
oct444361040
9170235662
1076669472
113a306a00
1221814aa8
1312b65469
14a27aaac
156ae6d32
hex491e220

76669472 has 36 divisors (see below), whose sum is σ = 165920958. Its totient is φ = 34848000.

The previous prime is 76669471. The next prime is 76669487. The reversal of 76669472 is 27496667.

It can be written as a sum of positive squares in only one way, i.e., 76667536 + 1936 = 8756^2 + 44^2 .

It is not an unprimeable number, because it can be changed into a prime (76669471) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6029 + ... + 13772.

Almost surely, 276669472 is an apocalyptic number.

It is an amenable number.

76669472 is an abundant number, since it is smaller than the sum of its proper divisors (89251486).

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

76669472 is a wasteful number, since it uses less digits than its factorization.

76669472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833 (or 19814 counting only the distinct ones).

The product of its digits is 762048, while the sum is 47.

The square root of 76669472 is about 8756.1105520659. The cubic root of 76669472 is about 424.8224808793.

The spelling of 76669472 in words is "seventy-six million, six hundred sixty-nine thousand, four hundred seventy-two".

Divisors: 1 2 4 8 11 16 22 32 44 88 121 176 242 352 484 968 1936 3872 19801 39602 79204 158408 217811 316816 435622 633632 871244 1742488 2395921 3484976 4791842 6969952 9583684 19167368 38334736 76669472