Base | Representation |
---|---|
bin | 10010110000011… |
… | …01100001001001 |
3 | 101222001210022221 |
4 | 21120031201021 |
5 | 310234414034 |
6 | 23340214041 |
7 | 3620245234 |
oct | 1130154111 |
9 | 358053287 |
10 | 157341769 |
11 | 808a7222 |
12 | 4483a321 |
13 | 2679c850 |
14 | 16c7a41b |
15 | dc2ebb4 |
hex | 960d849 |
157341769 has 4 divisors (see below), whose sum is σ = 169444996. Its totient is φ = 145238544.
The previous prime is 157341763. The next prime is 157341799. The reversal of 157341769 is 967143751.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 967143751 = 7 ⋅138163393.
It can be written as a sum of positive squares in 2 ways, for example, as 81216144 + 76125625 = 9012^2 + 8725^2 .
It is a cyclic number.
It is not a de Polignac number, because 157341769 - 23 = 157341761 is a prime.
It is a super-2 number, since 2×1573417692 = 49512864544098722, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157341761) 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 in 3 ways as a sum of consecutive naturals, for example, 6051594 + ... + 6051619.
It is an arithmetic number, because the mean of its divisors is an integer number (42361249).
Almost surely, 2157341769 is an apocalyptic number.
It is an amenable number.
157341769 is a deficient number, since it is larger than the sum of its proper divisors (12103227).
157341769 is a wasteful number, since it uses less digits than its factorization.
157341769 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12103226.
The product of its digits is 158760, while the sum is 43.
The square root of 157341769 is about 12543.5947399460. The cubic root of 157341769 is about 539.8602393224.
The spelling of 157341769 in words is "one hundred fifty-seven million, three hundred forty-one thousand, seven hundred sixty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •