Base | Representation |
---|---|
bin | 11100101011000… |
… | …101101101011111 |
3 | 1020112012021000022 |
4 | 130223011231133 |
5 | 1441122321011 |
6 | 115422422355 |
7 | 14630631245 |
oct | 3453055537 |
9 | 1215167008 |
10 | 481057631 |
11 | 2275a979a |
12 | 1151319bb |
13 | 788821b2 |
14 | 47c64795 |
15 | 2c3758db |
hex | 1cac5b5f |
481057631 has 4 divisors (see below), whose sum is σ = 482014512. Its totient is φ = 480100752.
The previous prime is 481057613. The next prime is 481057691. The reversal of 481057631 is 136750184.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 481057631 - 210 = 481056607 is a prime.
It is a super-3 number, since 3×4810576313 (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 481057591 and 481057600.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (481057691) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 477686 + ... + 478691.
It is an arithmetic number, because the mean of its divisors is an integer number (120503628).
Almost surely, 2481057631 is an apocalyptic number.
481057631 is a deficient number, since it is larger than the sum of its proper divisors (956881).
481057631 is an equidigital number, since it uses as much as digits as its factorization.
481057631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 956880.
The product of its (nonzero) digits is 20160, while the sum is 35.
The square root of 481057631 is about 21933.0260338149. The cubic root of 481057631 is about 783.5481737962.
The spelling of 481057631 in words is "four hundred eighty-one million, fifty-seven thousand, six hundred thirty-one".
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