Base | Representation |
---|---|
bin | 10010101001101… |
… | …10010000111011 |
3 | 101220101222220012 |
4 | 21110312100323 |
5 | 310023210331 |
6 | 23305252135 |
7 | 3606613604 |
oct | 1124662073 |
9 | 356358805 |
10 | 156460091 |
11 | 80354867 |
12 | 4449404b |
13 | 26551448 |
14 | 16acadab |
15 | db0882b |
hex | 953643b |
156460091 has 4 divisors (see below), whose sum is σ = 156562392. Its totient is φ = 156357792.
The previous prime is 156460067. The next prime is 156460093. The reversal of 156460091 is 190064651.
156460091 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: 190064651 = 7 ⋅27152093.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-156460091 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (156460093) 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, 48821 + ... + 51926.
It is an arithmetic number, because the mean of its divisors is an integer number (39140598).
Almost surely, 2156460091 is an apocalyptic number.
156460091 is a deficient number, since it is larger than the sum of its proper divisors (102301).
156460091 is a wasteful number, since it uses less digits than its factorization.
156460091 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102300.
The product of its (nonzero) digits is 6480, while the sum is 32.
The square root of 156460091 is about 12508.4008170509. The cubic root of 156460091 is about 538.8499656413.
The spelling of 156460091 in words is "one hundred fifty-six million, four hundred sixty thousand, ninety-one".
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