Base | Representation |
---|---|
bin | 11101001101011… |
… | …010001100110011 |
3 | 1021011010100022212 |
4 | 131031122030303 |
5 | 2000423220301 |
6 | 120343322335 |
7 | 15100252115 |
oct | 3515321463 |
9 | 1234110285 |
10 | 490054451 |
11 | 231694187 |
12 | 1181503ab |
13 | 7a6b2263 |
14 | 491273b5 |
15 | 2d0514bb |
hex | 1d35a333 |
490054451 has 2 divisors, whose sum is σ = 490054452. Its totient is φ = 490054450.
The previous prime is 490054373. The next prime is 490054457. The reversal of 490054451 is 154450094.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 490054451 - 218 = 489792307 is a prime.
It is a super-2 number, since 2×4900544512 = 480306729889822802, which contains 22 as substring.
It is a Chen prime.
It is equal to p25859120 and since 490054451 and 25859120 have the same sum of digits, it is a Honaker prime.
It is not a weakly prime, because it can be changed into another prime (490054457) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245027225 + 245027226.
It is an arithmetic number, because the mean of its divisors is an integer number (245027226).
Almost surely, 2490054451 is an apocalyptic number.
490054451 is a deficient number, since it is larger than the sum of its proper divisors (1).
490054451 is an equidigital number, since it uses as much as digits as its factorization.
490054451 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 14400, while the sum is 32.
The square root of 490054451 is about 22137.1735097324. The cubic root of 490054451 is about 788.4027177638.
The spelling of 490054451 in words is "four hundred ninety million, fifty-four thousand, four hundred fifty-one".
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