Base | Representation |
---|---|
bin | 110100010001… |
… | …010100011111 |
3 | 221210011012110 |
4 | 310101110133 |
5 | 12001434211 |
6 | 1205405103 |
7 | 224316531 |
oct | 64212437 |
9 | 27704173 |
10 | 13702431 |
11 | 7809926 |
12 | 4709793 |
13 | 2ab9b62 |
14 | 1b69851 |
15 | 1309ea6 |
hex | d1151f |
13702431 has 8 divisors (see below), whose sum is σ = 18288000. Its totient is φ = 9125912.
The previous prime is 13702417. The next prime is 13702441. The reversal of 13702431 is 13420731.
13702431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
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 13702431 - 210 = 13701407 is a prime.
It is a super-2 number, since 2×137024312 = 375513230619522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 13702398 and 13702407.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13702441) 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, 3070 + ... + 6068.
It is an arithmetic number, because the mean of its divisors is an integer number (2286000).
Almost surely, 213702431 is an apocalyptic number.
13702431 is a deficient number, since it is larger than the sum of its proper divisors (4585569).
13702431 is a wasteful number, since it uses less digits than its factorization.
13702431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4525.
The product of its (nonzero) digits is 504, while the sum is 21.
The square root of 13702431 is about 3701.6794836939. The cubic root of 13702431 is about 239.2944032827.
The spelling of 13702431 in words is "thirteen million, seven hundred two thousand, four hundred thirty-one".
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