Base | Representation |
---|---|
bin | 11000101011010… |
… | …01001001011101 |
3 | 112102111200211111 |
4 | 30111221021131 |
5 | 410443001112 |
6 | 32312422021 |
7 | 5062321000 |
oct | 1425511135 |
9 | 472450744 |
10 | 207000157 |
11 | a6934311 |
12 | 593a7911 |
13 | 33b68600 |
14 | 1d6c5537 |
15 | 1328d5a7 |
hex | c56925d |
207000157 has 24 divisors (see below), whose sum is σ = 261470400. Its totient is φ = 163734480.
The previous prime is 207000149. The next prime is 207000169. The reversal of 207000157 is 751000702.
207000157 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 207000157 - 23 = 207000149 is a prime.
It is the 14388-th Hogben number.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207000557) by changing a digit.
It is a nontrivial repunit in base 14387.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56182 + ... + 59752.
It is an arithmetic number, because the mean of its divisors is an integer number (10894600).
Almost surely, 2207000157 is an apocalyptic number.
It is an amenable number.
207000157 is a deficient number, since it is larger than the sum of its proper divisors (54470243).
207000157 is an equidigital number, since it uses as much as digits as its factorization.
207000157 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3618 (or 3591 counting only the distinct ones).
The product of its (nonzero) digits is 490, while the sum is 22.
The square root of 207000157 is about 14387.5000260643. The cubic root of 207000157 is about 591.5483195241.
Adding to 207000157 its reverse (751000702), we get a palindrome (958000859).
The spelling of 207000157 in words is "two hundred seven million, one hundred fifty-seven", and thus it is an aban number.
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