Base | Representation |
---|---|
bin | 100101111110… |
… | …0001000011110 |
3 | 1101110101102002 |
4 | 1023330020132 |
5 | 20044011402 |
6 | 1550402302 |
7 | 331131125 |
oct | 113741036 |
9 | 41411362 |
10 | 19907102 |
11 | 10267556 |
12 | 6800392 |
13 | 4180067 |
14 | 2902abc |
15 | 1b33602 |
hex | 12fc21e |
19907102 has 8 divisors (see below), whose sum is σ = 31617216. Its totient is φ = 9368032.
The previous prime is 19907093. The next prime is 19907141. The reversal of 19907102 is 20170991.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 292718 + ... + 292785.
It is an arithmetic number, because the mean of its divisors is an integer number (3952152).
Almost surely, 219907102 is an apocalyptic number.
19907102 is a deficient number, since it is larger than the sum of its proper divisors (11710114).
19907102 is a wasteful number, since it uses less digits than its factorization.
19907102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 585522.
The product of its (nonzero) digits is 1134, while the sum is 29.
The square root of 19907102 is about 4461.7375539133. The cubic root of 19907102 is about 271.0208359864.
The spelling of 19907102 in words is "nineteen million, nine hundred seven thousand, one hundred two".
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