Base | Representation |
---|---|
bin | 100010110001… |
… | …1011001110110 |
3 | 1021022022220110 |
4 | 1011203121312 |
5 | 14131423300 |
6 | 1450443450 |
7 | 310656201 |
oct | 105433166 |
9 | 37268813 |
10 | 18232950 |
11 | a32375a |
12 | 6133586 |
13 | 3a15038 |
14 | 25c8938 |
15 | 1902550 |
hex | 1163676 |
18232950 has 24 divisors (see below), whose sum is σ = 45218088. Its totient is φ = 4862080.
The previous prime is 18232943. The next prime is 18232979. The reversal of 18232950 is 5923281.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60627 + ... + 60926.
It is an arithmetic number, because the mean of its divisors is an integer number (1884087).
Almost surely, 218232950 is an apocalyptic number.
18232950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18232950 is an abundant number, since it is smaller than the sum of its proper divisors (26985138).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18232950 is a wasteful number, since it uses less digits than its factorization.
18232950 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 121568 (or 121563 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 30.
The square root of 18232950 is about 4270.0058547969. The cubic root of 18232950 is about 263.1998558001.
The spelling of 18232950 in words is "eighteen million, two hundred thirty-two thousand, nine hundred fifty".
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