Base | Representation |
---|---|
bin | 11011001111110… |
… | …111011000000101 |
3 | 1011212012022102100 |
4 | 123033313120011 |
5 | 1414012100223 |
6 | 113210102313 |
7 | 14220441540 |
oct | 3317673005 |
9 | 1155168370 |
10 | 457143813 |
11 | 215055a05 |
12 | 10911a999 |
13 | 7392b4c9 |
14 | 449db857 |
15 | 2a200043 |
hex | 1b3f7605 |
457143813 has 12 divisors (see below), whose sum is σ = 754650208. Its totient is φ = 261225000.
The previous prime is 457143811. The next prime is 457143823. The reversal of 457143813 is 318341754.
It is a happy number.
457143813 is a `hidden beast` number, since 4 + 571 + 4 + 3 + 81 + 3 = 666.
It is not a de Polignac number, because 457143813 - 21 = 457143811 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (457143811) 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 11 ways as a sum of consecutive naturals, for example, 3628063 + ... + 3628188.
Almost surely, 2457143813 is an apocalyptic number.
It is an amenable number.
457143813 is a deficient number, since it is larger than the sum of its proper divisors (297506395).
457143813 is a wasteful number, since it uses less digits than its factorization.
457143813 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7256264 (or 7256261 counting only the distinct ones).
The product of its digits is 40320, while the sum is 36.
The square root of 457143813 is about 21380.9217060444. The cubic root of 457143813 is about 770.3432511341.
It can be divided in two parts, 4571 and 43813, that added together give a palindrome (48384).
The spelling of 457143813 in words is "four hundred fifty-seven million, one hundred forty-three thousand, eight hundred thirteen".
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