Base | Representation |
---|---|
bin | 10010101110000… |
… | …11001001011101 |
3 | 101221111022110201 |
4 | 21113003021131 |
5 | 310200142044 |
6 | 23325503501 |
7 | 3614536153 |
oct | 1127031135 |
9 | 357438421 |
10 | 157037149 |
11 | 80709375 |
12 | 44711b91 |
13 | 266c3cb9 |
14 | 16bdb3d3 |
15 | dbbe7d4 |
hex | 95c325d |
157037149 has 2 divisors, whose sum is σ = 157037150. Its totient is φ = 157037148.
The previous prime is 157037137. The next prime is 157037219. The reversal of 157037149 is 941730751.
157037149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 141967225 + 15069924 = 11915^2 + 3882^2 .
It is a cyclic number.
It is not a de Polignac number, because 157037149 - 215 = 157004381 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (157037129) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78518574 + 78518575.
It is an arithmetic number, because the mean of its divisors is an integer number (78518575).
Almost surely, 2157037149 is an apocalyptic number.
It is an amenable number.
157037149 is a deficient number, since it is larger than the sum of its proper divisors (1).
157037149 is an equidigital number, since it uses as much as digits as its factorization.
157037149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26460, while the sum is 37.
The square root of 157037149 is about 12531.4464049446. The cubic root of 157037149 is about 539.5116171899.
The spelling of 157037149 in words is "one hundred fifty-seven million, thirty-seven thousand, one hundred forty-nine".
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