Base | Representation |
---|---|
bin | 10010110000111… |
… | …11010000101101 |
3 | 101222012111000122 |
4 | 21120133100231 |
5 | 310244230240 |
6 | 23341534325 |
7 | 3621000146 |
oct | 1130372055 |
9 | 358174018 |
10 | 157414445 |
11 | 80946891 |
12 | 448743a5 |
13 | 267c6956 |
14 | 16c98acd |
15 | dc464b5 |
hex | 961f42d |
157414445 has 4 divisors (see below), whose sum is σ = 188897340. Its totient is φ = 125931552.
The previous prime is 157414429. The next prime is 157414451. The reversal of 157414445 is 544414751.
157414445 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 544414751 = 3407 ⋅159793.
It can be written as a sum of positive squares in 2 ways, for example, as 25210441 + 132204004 = 5021^2 + 11498^2 .
It is a cyclic number.
It is not a de Polignac number, because 157414445 - 24 = 157414429 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15741440 + ... + 15741449.
It is an arithmetic number, because the mean of its divisors is an integer number (47224335).
Almost surely, 2157414445 is an apocalyptic number.
It is an amenable number.
157414445 is a deficient number, since it is larger than the sum of its proper divisors (31482895).
157414445 is an equidigital number, since it uses as much as digits as its factorization.
157414445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31482894.
The product of its digits is 44800, while the sum is 35.
The square root of 157414445 is about 12546.4913422040. The cubic root of 157414445 is about 539.9433468229.
The spelling of 157414445 in words is "one hundred fifty-seven million, four hundred fourteen thousand, four hundred forty-five".
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