Base | Representation |
---|---|
bin | 101010100101101… |
… | …0011101010100011 |
3 | 10200120222010012010 |
4 | 1111023103222203 |
5 | 10411312334431 |
6 | 353445004003 |
7 | 50261350623 |
oct | 12513235243 |
9 | 3616863163 |
10 | 1429027491 |
11 | 673715561 |
12 | 33a6b3603 |
13 | 19a0a2bc8 |
14 | d7b0a883 |
15 | 856ca846 |
hex | 552d3aa3 |
1429027491 has 8 divisors (see below), whose sum is σ = 1966833664. Its totient is φ = 921953160.
The previous prime is 1429027477. The next prime is 1429027543. The reversal of 1429027491 is 1947209241.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1429027491 - 27 = 1429027363 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1429027451) 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, 7682851 + ... + 7683036.
It is an arithmetic number, because the mean of its divisors is an integer number (245854208).
Almost surely, 21429027491 is an apocalyptic number.
1429027491 is a deficient number, since it is larger than the sum of its proper divisors (537806173).
1429027491 is a wasteful number, since it uses less digits than its factorization.
1429027491 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15365921.
The product of its (nonzero) digits is 36288, while the sum is 39.
The square root of 1429027491 is about 37802.4799583308. The cubic root of 1429027491 is about 1126.3677168723.
The spelling of 1429027491 in words is "one billion, four hundred twenty-nine million, twenty-seven thousand, four hundred ninety-one".
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