Base | Representation |
---|---|
bin | 11101001101101… |
… | …100100011100101 |
3 | 1021011021011110112 |
4 | 131031230203211 |
5 | 2000433122022 |
6 | 120345102405 |
7 | 15101014244 |
oct | 3515544345 |
9 | 1234234415 |
10 | 490129637 |
11 | 231735718 |
12 | 118187a05 |
13 | 7a70a54a |
14 | 4914695b |
15 | 2d0688e2 |
hex | 1d36c8e5 |
490129637 has 8 divisors (see below), whose sum is σ = 501897600. Its totient is φ = 478455120.
The previous prime is 490129613. The next prime is 490129687. The reversal of 490129637 is 736921094.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-490129637 is a prime.
It is a super-2 number, since 2×4901296372 = 480454122131503538, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 490129594 and 490129603.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (490129687) 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, 12689 + ... + 33782.
It is an arithmetic number, because the mean of its divisors is an integer number (62737200).
Almost surely, 2490129637 is an apocalyptic number.
It is an amenable number.
490129637 is a deficient number, since it is larger than the sum of its proper divisors (11767963).
490129637 is a wasteful number, since it uses less digits than its factorization.
490129637 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46723.
The product of its (nonzero) digits is 81648, while the sum is 41.
The square root of 490129637 is about 22138.8716288794. The cubic root of 490129637 is about 788.4430356070.
The spelling of 490129637 in words is "four hundred ninety million, one hundred twenty-nine thousand, six hundred thirty-seven".
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