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83924897 = 73307797
BaseRepresentation
bin1010000000010…
…01011110100001
312211220211022112
411000021132201
5132441044042
612154445105
72036231000
oct500113641
9184824275
1083924897
1143412021
1224133795
1314505a04
14b208c37
15757b982
hex50097a1

83924897 has 16 divisors (see below), whose sum is σ = 98313600. Its totient is φ = 71611344.

The previous prime is 83924891. The next prime is 83924899. The reversal of 83924897 is 79842938.

It is a happy number.

It is not a de Polignac number, because 83924897 - 224 = 67147681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83924891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104903 + ... + 105699.

It is an arithmetic number, because the mean of its divisors is an integer number (6144600).

Almost surely, 283924897 is an apocalyptic number.

It is an amenable number.

83924897 is a deficient number, since it is larger than the sum of its proper divisors (14388703).

83924897 is an equidigital number, since it uses as much as digits as its factorization.

83924897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1125 (or 1111 counting only the distinct ones).

The product of its digits is 870912, while the sum is 50.

The square root of 83924897 is about 9161.0532691389. The cubic root of 83924897 is about 437.8213532346.

The spelling of 83924897 in words is "eighty-three million, nine hundred twenty-four thousand, eight hundred ninety-seven".

Divisors: 1 7 49 307 343 797 2149 5579 15043 39053 105301 244679 273371 1712753 11989271 83924897