Base | Representation |
---|---|
bin | 110100101001… |
… | …100111011110 |
3 | 221222012201100 |
4 | 310221213132 |
5 | 12013130300 |
6 | 1211453530 |
7 | 225212631 |
oct | 64514736 |
9 | 27865640 |
10 | 13801950 |
11 | 7877678 |
12 | 47572a6 |
13 | 2b23246 |
14 | 1b93c18 |
15 | 1329700 |
hex | d299de |
13801950 has 36 divisors (see below), whose sum is σ = 37082448. Its totient is φ = 3680400.
The previous prime is 13801939. The next prime is 13801951. The reversal of 13801950 is 5910831.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13801951) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14886 + ... + 15785.
It is an arithmetic number, because the mean of its divisors is an integer number (1030068).
Almost surely, 213801950 is an apocalyptic number.
13801950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
13801950 is an abundant number, since it is smaller than the sum of its proper divisors (23280498).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13801950 is a wasteful number, since it uses less digits than its factorization.
13801950 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30689 (or 30681 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 13801950 is about 3715.0975761075. The cubic root of 13801950 is about 239.8723279281.
The spelling of 13801950 in words is "thirteen million, eight hundred one thousand, nine hundred fifty".
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