Base | Representation |
---|---|
bin | 11101001101110… |
… | …011010011010101 |
3 | 1021011022120100221 |
4 | 131031303103111 |
5 | 2000440013034 |
6 | 120345434341 |
7 | 15101160640 |
oct | 3515632325 |
9 | 1234276327 |
10 | 490157269 |
11 | 231754458 |
12 | 11819b9b1 |
13 | 7a719cb4 |
14 | 49152a57 |
15 | 2d071bb4 |
hex | 1d3734d5 |
490157269 has 16 divisors (see below), whose sum is σ = 590579200. Its totient is φ = 397404144.
The previous prime is 490157251. The next prime is 490157273. The reversal of 490157269 is 962751094.
It is a happy number.
It is a cyclic number.
It is not a de Polignac number, because 490157269 - 25 = 490157237 is a prime.
It is a super-2 number, since 2×4901572692 = 480508296707076722, 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 (490157069) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95794 + ... + 100780.
It is an arithmetic number, because the mean of its divisors is an integer number (36911200).
Almost surely, 2490157269 is an apocalyptic number.
It is an amenable number.
490157269 is a deficient number, since it is larger than the sum of its proper divisors (100421931).
490157269 is a wasteful number, since it uses less digits than its factorization.
490157269 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5752.
The product of its (nonzero) digits is 136080, while the sum is 43.
The square root of 490157269 is about 22139.4956807963. The cubic root of 490157269 is about 788.4578519922.
The spelling of 490157269 in words is "four hundred ninety million, one hundred fifty-seven thousand, two hundred sixty-nine".
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