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86992101 = 3272197261
BaseRepresentation
bin1010010111101…
…10010011100101
320001200122201200
411023312103211
5134232221401
612344313113
72104264200
oct513662345
9201618650
1086992101
11451174a9
1225172799
131503ab21
14b7a6937
157985686
hex52f64e5

86992101 has 18 divisors (see below), whose sum is σ = 146171142. Its totient is φ = 49709520.

The previous prime is 86992099. The next prime is 86992109. The reversal of 86992101 is 10129968.

It can be written as a sum of positive squares in only one way, i.e., 68459076 + 18533025 = 8274^2 + 4305^2 .

It is not a de Polignac number, because 86992101 - 21 = 86992099 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86992109) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 98190 + ... + 99071.

It is an arithmetic number, because the mean of its divisors is an integer number (8120619).

Almost surely, 286992101 is an apocalyptic number.

It is an amenable number.

86992101 is a deficient number, since it is larger than the sum of its proper divisors (59179041).

86992101 is a wasteful number, since it uses less digits than its factorization.

86992101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197281 (or 197271 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The square root of 86992101 is about 9326.9556126316. The cubic root of 86992101 is about 443.0913514780.

The spelling of 86992101 in words is "eighty-six million, nine hundred ninety-two thousand, one hundred one".

Divisors: 1 3 7 9 21 49 63 147 441 197261 591783 1380827 1775349 4142481 9665789 12427443 28997367 86992101