Base | Representation |
---|---|
bin | 100010110010… |
… | …1011000010101 |
3 | 1021022202000021 |
4 | 1011211120111 |
5 | 14132203140 |
6 | 1450545141 |
7 | 311021614 |
oct | 105453025 |
9 | 37282007 |
10 | 18241045 |
11 | a329849 |
12 | 61381b1 |
13 | 3a18924 |
14 | 25cb87b |
15 | 1904b4a |
hex | 1165615 |
18241045 has 16 divisors (see below), whose sum is σ = 23207040. Its totient is φ = 13725504.
The previous prime is 18241043. The next prime is 18241081. The reversal of 18241045 is 54014281.
It is a cyclic number.
It is not a de Polignac number, because 18241045 - 21 = 18241043 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18241043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14304 + ... + 15526.
It is an arithmetic number, because the mean of its divisors is an integer number (1450440).
Almost surely, 218241045 is an apocalyptic number.
It is an amenable number.
18241045 is a deficient number, since it is larger than the sum of its proper divisors (4965995).
18241045 is a wasteful number, since it uses less digits than its factorization.
18241045 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1404.
The product of its (nonzero) digits is 1280, while the sum is 25.
The square root of 18241045 is about 4270.9536405819. The cubic root of 18241045 is about 263.2388015475.
The spelling of 18241045 in words is "eighteen million, two hundred forty-one thousand, forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.061 sec. • engine limits •