Base | Representation |
---|---|
bin | 1001111011000… |
… | …10110011001011 |
3 | 12210122010210222 |
4 | 10331202303023 |
5 | 132302222222 |
6 | 12132100255 |
7 | 2030355410 |
oct | 475426313 |
9 | 183563728 |
10 | 83242187 |
11 | 42a960a6 |
12 | 23a6468b |
13 | 14327042 |
14 | b0ac107 |
15 | 7494542 |
hex | 4f62ccb |
83242187 has 8 divisors (see below), whose sum is σ = 95551200. Its totient is φ = 71037504.
The previous prime is 83242163. The next prime is 83242189. The reversal of 83242187 is 78124238.
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 83242187 - 214 = 83225803 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83242189) 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, 24362 + ... + 27567.
It is an arithmetic number, because the mean of its divisors is an integer number (11943900).
Almost surely, 283242187 is an apocalyptic number.
83242187 is a deficient number, since it is larger than the sum of its proper divisors (12309013).
83242187 is a wasteful number, since it uses less digits than its factorization.
83242187 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52165.
The product of its digits is 21504, while the sum is 35.
The square root of 83242187 is about 9123.7156356388. The cubic root of 83242187 is about 436.6309269611.
The spelling of 83242187 in words is "eighty-three million, two hundred forty-two thousand, one hundred eighty-seven".
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