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83869427 = 181617751
BaseRepresentation
bin1001111111110…
…11111011110011
312211211000020002
410333323323303
5132432310202
612153340215
72035610165
oct477737363
9184730202
1083869427
1143384384
122410766b
13144b66a5
14b1d2935
15756a302
hex4ffbef3

83869427 has 8 divisors (see below), whose sum is σ = 84581952. Its totient is φ = 83160000.

The previous prime is 83869411. The next prime is 83869441. The reversal of 83869427 is 72496838.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83869427 - 24 = 83869411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83869927) 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, 111302 + ... + 112052.

It is an arithmetic number, because the mean of its divisors is an integer number (10572744).

Almost surely, 283869427 is an apocalyptic number.

83869427 is a deficient number, since it is larger than the sum of its proper divisors (712525).

83869427 is a wasteful number, since it uses less digits than its factorization.

83869427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its digits is 580608, while the sum is 47.

The square root of 83869427 is about 9158.0252784102. The cubic root of 83869427 is about 437.7248729136.

The spelling of 83869427 in words is "eighty-three million, eight hundred sixty-nine thousand, four hundred twenty-seven".

Divisors: 1 181 617 751 111677 135931 463367 83869427