Base | Representation |
---|---|
bin | 100111101001… |
… | …000101101001 |
3 | 201112222000200 |
4 | 213221011221 |
5 | 10130020123 |
6 | 1010422413 |
7 | 154221060 |
oct | 47510551 |
9 | 21488020 |
10 | 10391913 |
11 | 5958664 |
12 | 3591a09 |
13 | 21cb07c |
14 | 15471d7 |
15 | da4143 |
hex | 9e9169 |
10391913 has 48 divisors (see below), whose sum is σ = 18809856. Its totient is φ = 5391360.
The previous prime is 10391911. The next prime is 10391921. The reversal of 10391913 is 31919301.
10391913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 10391913 - 21 = 10391911 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10391911) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33045 + ... + 33357.
It is an arithmetic number, because the mean of its divisors is an integer number (391872).
Almost surely, 210391913 is an apocalyptic number.
It is an amenable number.
10391913 is a deficient number, since it is larger than the sum of its proper divisors (8417943).
10391913 is a wasteful number, since it uses less digits than its factorization.
10391913 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 374 (or 371 counting only the distinct ones).
The product of its (nonzero) digits is 729, while the sum is 27.
The square root of 10391913 is about 3223.6490193568. The cubic root of 10391913 is about 218.2219844138.
The spelling of 10391913 in words is "ten million, three hundred ninety-one thousand, nine hundred thirteen".
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