Base | Representation |
---|---|
bin | 10010101110000… |
… | …00001110110101 |
3 | 101221110201002100 |
4 | 21113000032311 |
5 | 310144301310 |
6 | 23325332313 |
7 | 3614456301 |
oct | 1127001665 |
9 | 357421070 |
10 | 157025205 |
11 | 807003a7 |
12 | 44707099 |
13 | 266bb72c |
14 | 16bd6d01 |
15 | dbbaec0 |
hex | 95c03b5 |
157025205 has 24 divisors (see below), whose sum is σ = 274879800. Its totient is φ = 82915200.
The previous prime is 157025189. The next prime is 157025303. The reversal of 157025205 is 502520751.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 97950609 + 59074596 = 9897^2 + 7686^2 .
It is not a de Polignac number, because 157025205 - 24 = 157025189 is a prime.
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 23 ways as a sum of consecutive naturals, for example, 12730 + ... + 21819.
It is an arithmetic number, because the mean of its divisors is an integer number (11453325).
Almost surely, 2157025205 is an apocalyptic number.
157025205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
157025205 is a deficient number, since it is larger than the sum of its proper divisors (117854595).
157025205 is a wasteful number, since it uses less digits than its factorization.
157025205 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34661 (or 34658 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 27.
The square root of 157025205 is about 12530.9698347734. The cubic root of 157025205 is about 539.4979387064.
Adding to 157025205 its reverse (502520751), we get a palindrome (659545956).
The spelling of 157025205 in words is "one hundred fifty-seven million, twenty-five thousand, two hundred five".
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