Base | Representation |
---|---|
bin | 10011000111110… |
… | …01101110011111 |
3 | 102011211111020221 |
4 | 21203321232133 |
5 | 312031001211 |
6 | 23530022211 |
7 | 3655301143 |
oct | 1143715637 |
9 | 364744227 |
10 | 160406431 |
11 | 825aa7a9 |
12 | 45877967 |
13 | 27303763 |
14 | 17437223 |
15 | e137c71 |
hex | 98f9b9f |
160406431 has 4 divisors (see below), whose sum is σ = 165580864. Its totient is φ = 155232000.
The previous prime is 160406423. The next prime is 160406437. The reversal of 160406431 is 134604061.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134604061 = 43 ⋅3130327.
It is a cyclic number.
It is not a de Polignac number, because 160406431 - 23 = 160406423 is a prime.
It is a super-2 number, since 2×1604064312 = 51460446212315522, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 160406396 and 160406405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (160406437) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2587170 + ... + 2587231.
It is an arithmetic number, because the mean of its divisors is an integer number (41395216).
Almost surely, 2160406431 is an apocalyptic number.
160406431 is a deficient number, since it is larger than the sum of its proper divisors (5174433).
160406431 is an equidigital number, since it uses as much as digits as its factorization.
160406431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5174432.
The product of its (nonzero) digits is 1728, while the sum is 25.
The square root of 160406431 is about 12665.1660470757. The cubic root of 160406431 is about 543.3428110892.
The spelling of 160406431 in words is "one hundred sixty million, four hundred six thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.001 sec. • engine limits •