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83896161 = 327965387
BaseRepresentation
bin1010000000000…
…10011101100001
312211212100220020
411000002131201
5132434134121
612154104053
72036051136
oct500023541
9184770806
1083896161
11433a2478
122411b029
13144c58cb
14b1dc58d
1575731c6
hex5002761

83896161 has 4 divisors (see below), whose sum is σ = 111861552. Its totient is φ = 55930772.

The previous prime is 83896129. The next prime is 83896213. The reversal of 83896161 is 16169838.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 83896161 - 25 = 83896129 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (83896121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13982691 + ... + 13982696.

It is an arithmetic number, because the mean of its divisors is an integer number (27965388).

Almost surely, 283896161 is an apocalyptic number.

It is an amenable number.

83896161 is a deficient number, since it is larger than the sum of its proper divisors (27965391).

83896161 is a wasteful number, since it uses less digits than its factorization.

83896161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27965390.

The product of its digits is 62208, while the sum is 42.

The square root of 83896161 is about 9159.4847562513. The cubic root of 83896161 is about 437.7713773194.

The spelling of 83896161 in words is "eighty-three million, eight hundred ninety-six thousand, one hundred sixty-one".

Divisors: 1 3 27965387 83896161