Base | Representation |
---|---|
bin | 10010101110000… |
… | …00011010100010 |
3 | 101221110202010002 |
4 | 21113000122202 |
5 | 310144312304 |
6 | 23325340002 |
7 | 3614461421 |
oct | 1127003242 |
9 | 357422102 |
10 | 157025954 |
11 | 80700a18 |
12 | 44707602 |
13 | 266bbb87 |
14 | 16bd72b8 |
15 | dbbb31e |
hex | 95c06a2 |
157025954 has 4 divisors (see below), whose sum is σ = 235538934. Its totient is φ = 78512976.
The previous prime is 157025933. The next prime is 157025959. The reversal of 157025954 is 459520751.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 109098025 + 47927929 = 10445^2 + 6923^2 .
It is a super-2 number, since 2×1570259542 = 49314300459220232, which contains 22 as substring.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (157025959) 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 as a sum of consecutive naturals, namely, 39256487 + ... + 39256490.
Almost surely, 2157025954 is an apocalyptic number.
157025954 is a deficient number, since it is larger than the sum of its proper divisors (78512980).
157025954 is an equidigital number, since it uses as much as digits as its factorization.
157025954 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 78512979.
The product of its (nonzero) digits is 63000, while the sum is 38.
The square root of 157025954 is about 12530.9997206927. Note that the first 3 decimals coincide. The cubic root of 157025954 is about 539.4987964951.
The spelling of 157025954 in words is "one hundred fifty-seven million, twenty-five thousand, nine hundred fifty-four".
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