Base | Representation |
---|---|
bin | 100111111101… |
… | …0110001011011 |
3 | 1110102101010220 |
4 | 1033322301123 |
5 | 20330400412 |
6 | 2025011123 |
7 | 343034013 |
oct | 117726133 |
9 | 43371126 |
10 | 20950107 |
11 | 1090a142 |
12 | 7023aa3 |
13 | 4456a19 |
14 | 2ad4c43 |
15 | 1c8c68c |
hex | 13fac5b |
20950107 has 8 divisors (see below), whose sum is σ = 27960384. Its totient is φ = 13953288.
The previous prime is 20950099. The next prime is 20950147. The reversal of 20950107 is 70105902.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 20950107 - 23 = 20950099 is a prime.
It is a super-2 number, since 2×209501072 = 877813966622898, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (20950147) 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, 1128 + ... + 6570.
It is an arithmetic number, because the mean of its divisors is an integer number (3495048).
Almost surely, 220950107 is an apocalyptic number.
20950107 is a deficient number, since it is larger than the sum of its proper divisors (7010277).
20950107 is a wasteful number, since it uses less digits than its factorization.
20950107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6729.
The product of its (nonzero) digits is 630, while the sum is 24.
The square root of 20950107 is about 4577.1286851038. The cubic root of 20950107 is about 275.6737507157.
The spelling of 20950107 in words is "twenty million, nine hundred fifty thousand, one hundred seven".
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