Base | Representation |
---|---|
bin | 11011111011110… |
… | …11010100011001 |
3 | 121022221120200221 |
4 | 31331323110121 |
5 | 434442300221 |
6 | 35130400041 |
7 | 5543556613 |
oct | 1575732431 |
9 | 538846627 |
10 | 234337561 |
11 | 110306307 |
12 | 66590021 |
13 | 3971a6a3 |
14 | 2319ddb3 |
15 | 1588d541 |
hex | df7b519 |
234337561 has 4 divisors (see below), whose sum is σ = 234484992. Its totient is φ = 234190132.
The previous prime is 234337553. The next prime is 234337601. The reversal of 234337561 is 165733432.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 234337561 - 23 = 234337553 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (234337531) 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, 71305 + ... + 74518.
It is an arithmetic number, because the mean of its divisors is an integer number (58621248).
Almost surely, 2234337561 is an apocalyptic number.
It is an amenable number.
234337561 is a deficient number, since it is larger than the sum of its proper divisors (147431).
234337561 is a wasteful number, since it uses less digits than its factorization.
234337561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147430.
The product of its digits is 45360, while the sum is 34.
The square root of 234337561 is about 15308.0880909407. The cubic root of 234337561 is about 616.5201874962.
The spelling of 234337561 in words is "two hundred thirty-four million, three hundred thirty-seven thousand, five hundred sixty-one".
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