Base | Representation |
---|---|
bin | 11000101110111… |
… | …00000000100111 |
3 | 112110101121012110 |
4 | 30113130000213 |
5 | 411103030011 |
6 | 32330452103 |
7 | 5066320434 |
oct | 1427340047 |
9 | 473347173 |
10 | 207470631 |
11 | a7125835 |
12 | 59594033 |
13 | 33ca17b4 |
14 | 1d7a8b8b |
15 | 13332ba6 |
hex | c5dc027 |
207470631 has 8 divisors (see below), whose sum is σ = 285551104. Its totient is φ = 133851960.
The previous prime is 207470623. The next prime is 207470639. The reversal of 207470631 is 136074702.
It is an interprime number because it is at equal distance from previous prime (207470623) and next prime (207470639).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 207470631 - 23 = 207470623 is a prime.
It is a super-2 number, since 2×2074706312 = 86088125455076322, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (207470639) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1115341 + ... + 1115526.
It is an arithmetic number, because the mean of its divisors is an integer number (35693888).
Almost surely, 2207470631 is an apocalyptic number.
207470631 is a deficient number, since it is larger than the sum of its proper divisors (78080473).
207470631 is a wasteful number, since it uses less digits than its factorization.
207470631 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2230901.
The product of its (nonzero) digits is 7056, while the sum is 30.
The square root of 207470631 is about 14403.8408419421. The cubic root of 207470631 is about 591.9961412809.
The spelling of 207470631 in words is "two hundred seven million, four hundred seventy thousand, six hundred thirty-one".
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