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83678828 = 22171230571
BaseRepresentation
bin1001111110011…
…01011001101100
312211110022202212
410333031121230
5132410210303
612145305552
72034154412
oct477153154
9184408685
1083678828
1143264162
12240352b8
131444a9cc
14b1832b2
15752dad8
hex4fcd66c

83678828 has 12 divisors (see below), whose sum is σ = 155052072. Its totient is φ = 39378240.

The previous prime is 83678809. The next prime is 83678839. The reversal of 83678828 is 82887638.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 615218 + ... + 615353.

It is an arithmetic number, because the mean of its divisors is an integer number (12921006).

Almost surely, 283678828 is an apocalyptic number.

It is an amenable number.

83678828 is a deficient number, since it is larger than the sum of its proper divisors (71373244).

83678828 is a wasteful number, since it uses less digits than its factorization.

83678828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230592 (or 1230590 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 50.

The square root of 83678828 is about 9147.6132406218. The cubic root of 83678828 is about 437.3930348568.

The spelling of 83678828 in words is "eighty-three million, six hundred seventy-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 4 17 34 68 1230571 2461142 4922284 20919707 41839414 83678828