Base | Representation |
---|---|
bin | 11011111011101… |
… | …111111110010111 |
3 | 1012122211202222002 |
4 | 123323233332113 |
5 | 1424433212311 |
6 | 114300425515 |
7 | 14420304131 |
oct | 3373577627 |
9 | 1178752862 |
10 | 468647831 |
11 | 2205a3063 |
12 | 110b4829b |
13 | 76128812 |
14 | 46354051 |
15 | 2b22393b |
hex | 1beeff97 |
468647831 has 8 divisors (see below), whose sum is σ = 473783904. Its totient is φ = 463540000.
The previous prime is 468647821. The next prime is 468647833. The reversal of 468647831 is 138746864.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 468647831 - 222 = 464453527 is a prime.
It is a super-2 number, since 2×4686478312 = 439261579002009122, 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 (468647833) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27206 + ... + 40956.
It is an arithmetic number, because the mean of its divisors is an integer number (59222988).
Almost surely, 2468647831 is an apocalyptic number.
468647831 is a deficient number, since it is larger than the sum of its proper divisors (5136073).
468647831 is a wasteful number, since it uses less digits than its factorization.
468647831 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14121.
The product of its digits is 774144, while the sum is 47.
The square root of 468647831 is about 21648.2754740418. The cubic root of 468647831 is about 776.7516845497.
The spelling of 468647831 in words is "four hundred sixty-eight million, six hundred forty-seven thousand, eight hundred thirty-one".
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