Base | Representation |
---|---|
bin | 11101001110110… |
… | …011010110111101 |
3 | 1021011210220021120 |
4 | 131032303112331 |
5 | 2001021412040 |
6 | 120355221153 |
7 | 15103332612 |
oct | 3516632675 |
9 | 1234726246 |
10 | 490419645 |
11 | 2319135a1 |
12 | 1182a77b9 |
13 | 7a7ac551 |
14 | 491c0509 |
15 | 2d0c47d0 |
hex | 1d3b35bd |
490419645 has 16 divisors (see below), whose sum is σ = 805879680. Its totient is φ = 254487744.
The previous prime is 490419619. The next prime is 490419673. The reversal of 490419645 is 546914094.
It is not a de Polignac number, because 490419645 - 26 = 490419581 is a prime.
It is a super-2 number, since 2×4904196452 = 481022856403852050, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 490419597 and 490419606.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 441265 + ... + 442374.
It is an arithmetic number, because the mean of its divisors is an integer number (50367480).
Almost surely, 2490419645 is an apocalyptic number.
It is an amenable number.
490419645 is a deficient number, since it is larger than the sum of its proper divisors (315460035).
490419645 is a wasteful number, since it uses less digits than its factorization.
490419645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 883684.
The product of its (nonzero) digits is 155520, while the sum is 42.
The square root of 490419645 is about 22145.4204069374. The cubic root of 490419645 is about 788.5985112794.
The spelling of 490419645 in words is "four hundred ninety million, four hundred nineteen thousand, six hundred forty-five".
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