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83825388 = 22338812
BaseRepresentation
bin1001111111100…
…01001011101100
312211201202211000
410333301023230
5132424403023
612152400300
72035334613
oct477611354
9184652730
1083825388
1143354289
12240a6090
131449c62a
14b1c087a
15755c243
hex4ff12ec

83825388 has 36 divisors (see below), whose sum is σ = 217572040. Its totient is φ = 27910080.

The previous prime is 83825377. The next prime is 83825431. The reversal of 83825388 is 88352838.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

83825388 is digitally balanced in base 9, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

83825388 is strictly pandigital in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94708 + ... + 95588.

Almost surely, 283825388 is an apocalyptic number.

It is an amenable number.

83825388 is an abundant number, since it is smaller than the sum of its proper divisors (133746652).

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

83825388 is an equidigital number, since it uses as much as digits as its factorization.

83825388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1775 (or 886 counting only the distinct ones).

The product of its digits is 368640, while the sum is 45.

The square root of 83825388 is about 9155.6205688091. The cubic root of 83825388 is about 437.6482445108.

The spelling of 83825388 in words is "eighty-three million, eight hundred twenty-five thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 881 1762 2643 3524 5286 7929 10572 15858 23787 31716 47574 95148 776161 1552322 2328483 3104644 4656966 6985449 9313932 13970898 20956347 27941796 41912694 83825388