Base | Representation |
---|---|
bin | 11000101110100… |
… | …11001110010001 |
3 | 112110022202211111 |
4 | 30113103032101 |
5 | 411100402031 |
6 | 32330013321 |
7 | 5066110501 |
oct | 1427231621 |
9 | 473282744 |
10 | 207434641 |
11 | a7100797 |
12 | 59577241 |
13 | 33c8b2bb |
14 | 1d799a01 |
15 | 133271b1 |
hex | c5d3391 |
207434641 has 4 divisors (see below), whose sum is σ = 211848192. Its totient is φ = 203021092.
The previous prime is 207434627. The next prime is 207434653. The reversal of 207434641 is 146434702.
207434641 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 a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-207434641 is a prime.
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (207434611) 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, 2206705 + ... + 2206798.
It is an arithmetic number, because the mean of its divisors is an integer number (52962048).
Almost surely, 2207434641 is an apocalyptic number.
It is an amenable number.
207434641 is a deficient number, since it is larger than the sum of its proper divisors (4413551).
207434641 is an equidigital number, since it uses as much as digits as its factorization.
207434641 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4413550.
The product of its (nonzero) digits is 16128, while the sum is 31.
The square root of 207434641 is about 14402.5914682046. The cubic root of 207434641 is about 591.9619080448.
The spelling of 207434641 in words is "two hundred seven million, four hundred thirty-four thousand, six hundred forty-one".
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