Base | Representation |
---|---|
bin | 10010101110001… |
… | …00001000110101 |
3 | 101221111112000221 |
4 | 21113010020311 |
5 | 310200304310 |
6 | 23325534341 |
7 | 3614554036 |
oct | 1127041065 |
9 | 357445027 |
10 | 157041205 |
11 | 80711422 |
12 | 447143b1 |
13 | 266c5ab9 |
14 | 16bdca8d |
15 | dbc0ada |
hex | 95c4235 |
157041205 has 16 divisors (see below), whose sum is σ = 191291760. Its totient is φ = 123752448.
The previous prime is 157041187. The next prime is 157041239. The reversal of 157041205 is 502140751.
It can be written as a sum of positive squares in 8 ways, for example, as 1739761 + 155301444 = 1319^2 + 12462^2 .
It is a cyclic number.
It is not a de Polignac number, because 157041205 - 213 = 157033013 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 157041205.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104439 + ... + 105931.
It is an arithmetic number, because the mean of its divisors is an integer number (11955735).
Almost surely, 2157041205 is an apocalyptic number.
It is an amenable number.
157041205 is a deficient number, since it is larger than the sum of its proper divisors (34250555).
157041205 is a wasteful number, since it uses less digits than its factorization.
157041205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1800.
The product of its (nonzero) digits is 1400, while the sum is 25.
The square root of 157041205 is about 12531.6082367747. The cubic root of 157041205 is about 539.5162620362.
Adding to 157041205 its reverse (502140751), we get a palindrome (659181956).
The spelling of 157041205 in words is "one hundred fifty-seven million, forty-one thousand, two hundred five".
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