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83300285 = 516660057
BaseRepresentation
bin1001111011100…
…00111110111101
312210202002111202
410331300332331
5132311102120
612133225245
72031016655
oct475607675
9183662452
1083300285
1143025812
1223a92225
1314347613
14b0c5365
1574a6875
hex4f70fbd

83300285 has 4 divisors (see below), whose sum is σ = 99960348. Its totient is φ = 66640224.

The previous prime is 83300279. The next prime is 83300291. The reversal of 83300285 is 58200338.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (83300279) and next prime (83300291).

It can be written as a sum of positive squares in 2 ways, for example, as 27394756 + 55905529 = 5234^2 + 7477^2 .

It is a cyclic number.

It is not a de Polignac number, because 83300285 - 28 = 83300029 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 8330024 + ... + 8330033.

It is an arithmetic number, because the mean of its divisors is an integer number (24990087).

Almost surely, 283300285 is an apocalyptic number.

It is an amenable number.

83300285 is a deficient number, since it is larger than the sum of its proper divisors (16660063).

83300285 is a wasteful number, since it uses less digits than its factorization.

83300285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16660062.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 83300285 is about 9126.8989804862. The cubic root of 83300285 is about 436.7324839767.

The spelling of 83300285 in words is "eighty-three million, three hundred thousand, two hundred eighty-five".

Divisors: 1 5 16660057 83300285