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83825307 = 333104641
BaseRepresentation
bin1001111111100…
…01001010011011
312211201202201000
410333301022123
5132424402212
612152400043
72035334436
oct477611233
9184652630
1083825307
1143354215
12240a6023
131449c597
14b1c081d
15755c1dc
hex4ff129b

83825307 has 8 divisors (see below), whose sum is σ = 124185680. Its totient is φ = 55883520.

The previous prime is 83825297. The next prime is 83825309. The reversal of 83825307 is 70352838.

It is not a de Polignac number, because 83825307 - 212 = 83821211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83825309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552294 + ... + 1552347.

It is an arithmetic number, because the mean of its divisors is an integer number (15523210).

Almost surely, 283825307 is an apocalyptic number.

83825307 is a deficient number, since it is larger than the sum of its proper divisors (40360373).

83825307 is a wasteful number, since it uses less digits than its factorization.

83825307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3104650 (or 3104644 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 83825307 is about 9155.6161452957. The cubic root of 83825307 is about 437.6481035451.

It can be divided in two parts, 8382 and 5307, that added together give a square (13689 = 1172).

The spelling of 83825307 in words is "eighty-three million, eight hundred twenty-five thousand, three hundred seven".

Divisors: 1 3 9 27 3104641 9313923 27941769 83825307