Base | Representation |
---|---|
bin | 110101000010… |
… | …110111111010 |
3 | 222011110121220 |
4 | 311002313322 |
5 | 12024433102 |
6 | 1214012510 |
7 | 226123350 |
oct | 65026772 |
9 | 28143556 |
10 | 13905402 |
11 | 7938375 |
12 | 47a7136 |
13 | 2b5b364 |
14 | 1bbd7d0 |
15 | 134a1bc |
hex | d42dfa |
13905402 has 16 divisors (see below), whose sum is σ = 31783872. Its totient is φ = 3972960.
The previous prime is 13905401. The next prime is 13905407. The reversal of 13905402 is 20450931.
It is not an unprimeable number, because it can be changed into a prime (13905401) 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, 165499 + ... + 165582.
It is an arithmetic number, because the mean of its divisors is an integer number (1986492).
Almost surely, 213905402 is an apocalyptic number.
13905402 is an abundant number, since it is smaller than the sum of its proper divisors (17878470).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13905402 is a wasteful number, since it uses less digits than its factorization.
13905402 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 331093.
The product of its (nonzero) digits is 1080, while the sum is 24.
The square root of 13905402 is about 3728.9947707123. The cubic root of 13905402 is about 240.4701547645.
The spelling of 13905402 in words is "thirteen million, nine hundred five thousand, four hundred two".
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