Base | Representation |
---|---|
bin | 111111001000… |
… | …1100100111011 |
3 | 2022021202121011 |
4 | 1332101210323 |
5 | 31433232024 |
6 | 3141254351 |
7 | 551235460 |
oct | 176214473 |
9 | 68252534 |
10 | 33102139 |
11 | 1775a144 |
12 | b1043b7 |
13 | 6b1cc85 |
14 | 4579667 |
15 | 2d8d094 |
hex | 1f9193b |
33102139 has 8 divisors (see below), whose sum is σ = 37875168. Its totient is φ = 28340160.
The previous prime is 33102109. The next prime is 33102151. The reversal of 33102139 is 93120133.
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 33102139 - 27 = 33102011 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (33102109) 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, 5199 + ... + 9655.
It is an arithmetic number, because the mean of its divisors is an integer number (4734396).
Almost surely, 233102139 is an apocalyptic number.
33102139 is a deficient number, since it is larger than the sum of its proper divisors (4773029).
33102139 is a wasteful number, since it uses less digits than its factorization.
33102139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5525.
The product of its (nonzero) digits is 486, while the sum is 22.
The square root of 33102139 is about 5753.4458370615. The cubic root of 33102139 is about 321.0840157540.
The spelling of 33102139 in words is "thirty-three million, one hundred two thousand, one hundred thirty-nine".
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