Base | Representation |
---|---|
bin | 10010100111111… |
… | …11001110010001 |
3 | 101212222112122012 |
4 | 21103333032101 |
5 | 304444002031 |
6 | 23300352305 |
7 | 3604654403 |
oct | 1123771621 |
9 | 355875565 |
10 | 156234641 |
11 | 80210442 |
12 | 443a5695 |
13 | 264a2944 |
14 | 16a6cb73 |
15 | dab1b2b |
hex | 94ff391 |
156234641 has 8 divisors (see below), whose sum is σ = 169460424. Its totient is φ = 143457280.
The previous prime is 156234599. The next prime is 156234643. The reversal of 156234641 is 146432651.
It can be written as a sum of positive squares in 4 ways, for example, as 45900625 + 110334016 = 6775^2 + 10504^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 156234641 - 210 = 156233617 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 156234598 and 156234607.
It is not an unprimeable number, because it can be changed into a prime (156234643) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111380 + ... + 112773.
It is an arithmetic number, because the mean of its divisors is an integer number (21182553).
Almost surely, 2156234641 is an apocalyptic number.
It is an amenable number.
156234641 is a deficient number, since it is larger than the sum of its proper divisors (13225783).
156234641 is a wasteful number, since it uses less digits than its factorization.
156234641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 224211.
The product of its digits is 17280, while the sum is 32.
The square root of 156234641 is about 12499.3856249017. The cubic root of 156234641 is about 538.5910239497.
The spelling of 156234641 in words is "one hundred fifty-six million, two hundred thirty-four thousand, six hundred forty-one".
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