Base | Representation |
---|---|
bin | 10010011111110… |
… | …00110111101010 |
3 | 101210221221120020 |
4 | 21033320313222 |
5 | 304210110132 |
6 | 23221341310 |
7 | 3562560432 |
oct | 1117706752 |
9 | 353857506 |
10 | 155160042 |
11 | 7a647044 |
12 | 43b67836 |
13 | 261b779b |
14 | 1686d2c2 |
15 | d94d52c |
hex | 93f8dea |
155160042 has 16 divisors (see below), whose sum is σ = 326652960. Its totient is φ = 48997872.
The previous prime is 155160013. The next prime is 155160043. The reversal of 155160042 is 240061551.
It is a junction number, because it is equal to n+sod(n) for n = 155159994 and 155160021.
It is not an unprimeable number, because it can be changed into a prime (155160043) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680413 + ... + 680640.
It is an arithmetic number, because the mean of its divisors is an integer number (20415810).
Almost surely, 2155160042 is an apocalyptic number.
155160042 is an abundant number, since it is smaller than the sum of its proper divisors (171492918).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
155160042 is a wasteful number, since it uses less digits than its factorization.
155160042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1361077.
The product of its (nonzero) digits is 1200, while the sum is 24.
The square root of 155160042 is about 12456.3253811066. The cubic root of 155160042 is about 537.3533526021.
The spelling of 155160042 in words is "one hundred fifty-five million, one hundred sixty thousand, forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •