Base | Representation |
---|---|
bin | 110101001111… |
… | …001110111110 |
3 | 222021001002000 |
4 | 311033032332 |
5 | 12033043110 |
6 | 1215043130 |
7 | 226424064 |
oct | 65171676 |
9 | 28231060 |
10 | 13956030 |
11 | 7972410 |
12 | 48104a6 |
13 | 2b7840a |
14 | 1bd4034 |
15 | 135a1c0 |
hex | d4f3be |
13956030 has 128 divisors (see below), whose sum is σ = 42024960. Its totient is φ = 3265920.
The previous prime is 13956029. The next prime is 13956043. The reversal of 13956030 is 3065931.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a junction number, because it is equal to n+sod(n) for n = 13955985 and 13956003.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 109827 + ... + 109953.
It is an arithmetic number, because the mean of its divisors is an integer number (328320).
Almost surely, 213956030 is an apocalyptic number.
13956030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 13956030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21012480).
13956030 is an abundant number, since it is smaller than the sum of its proper divisors (28068930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13956030 is a wasteful number, since it uses less digits than its factorization.
13956030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 191 (or 185 counting only the distinct ones).
The product of its (nonzero) digits is 2430, while the sum is 27.
The square root of 13956030 is about 3735.7770276075. Note that the first 3 decimals coincide. The cubic root of 13956030 is about 240.7616428604.
It can be divided in two parts, 139 and 56030, that added together give a square (56169 = 2372).
The spelling of 13956030 in words is "thirteen million, nine hundred fifty-six thousand, thirty".
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