Base | Representation |
---|---|
bin | 110110000000… |
… | …000000110110 |
3 | 222122012011000 |
4 | 312000000312 |
5 | 12110441310 |
6 | 1223224130 |
7 | 231215433 |
oct | 66000066 |
9 | 28565130 |
10 | 14155830 |
11 | 7a99537 |
12 | 48a8046 |
13 | 2c18340 |
14 | 1c46b8a |
15 | 13994c0 |
hex | d80036 |
14155830 has 128 divisors (see below), whose sum is σ = 42134400. Its totient is φ = 3359232.
The previous prime is 14155819. The next prime is 14155837. The reversal of 14155830 is 3855141.
14155830 is nontrivially palindromic in base 8.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a zygodrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 14155794 and 14155803.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (14155837) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 129816 + ... + 129924.
It is an arithmetic number, because the mean of its divisors is an integer number (329175).
Almost surely, 214155830 is an apocalyptic number.
14155830 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 14155830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21067200).
14155830 is an abundant number, since it is smaller than the sum of its proper divisors (27978570).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
14155830 is a wasteful number, since it uses less digits than its factorization.
14155830 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 175 (or 169 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 27.
The square root of 14155830 is about 3762.4234211476. The cubic root of 14155830 is about 241.9051491773.
The spelling of 14155830 in words is "fourteen million, one hundred fifty-five thousand, eight hundred thirty".
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