Base | Representation |
---|---|
bin | 100110111101… |
… | …100000110111 |
3 | 201012220012020 |
4 | 212331200313 |
5 | 10103312211 |
6 | 1002524223 |
7 | 152545524 |
oct | 46754067 |
9 | 21186166 |
10 | 10213431 |
11 | 5846558 |
12 | 3506673 |
13 | 2167a67 |
14 | 14dc14b |
15 | d6b306 |
hex | 9bd837 |
10213431 has 16 divisors (see below), whose sum is σ = 14582400. Its totient is φ = 6339168.
The previous prime is 10213397. The next prime is 10213439. The reversal of 10213431 is 13431201.
It is not a de Polignac number, because 10213431 - 215 = 10180663 is a prime.
It is a super-2 number, since 2×102134312 = 208628345583522, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 10213431.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10213439) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1845 + ... + 4881.
It is an arithmetic number, because the mean of its divisors is an integer number (911400).
Almost surely, 210213431 is an apocalyptic number.
10213431 is a deficient number, since it is larger than the sum of its proper divisors (4368969).
10213431 is a wasteful number, since it uses less digits than its factorization.
10213431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3118.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 10213431 is about 3195.8458974112. The cubic root of 10213431 is about 216.9654358223.
Adding to 10213431 its reverse (13431201), we get a palindrome (23644632).
The spelling of 10213431 in words is "ten million, two hundred thirteen thousand, four hundred thirty-one".
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