Base | Representation |
---|---|
bin | 11011111001111… |
… | …010000011010101 |
3 | 1012121221020101211 |
4 | 123321322003111 |
5 | 1424322233241 |
6 | 114242221421 |
7 | 14413223005 |
oct | 3371720325 |
9 | 1177836354 |
10 | 468164821 |
11 | 2202a3183 |
12 | 110954871 |
13 | 75cb9a07 |
14 | 4626a005 |
15 | 2b17a781 |
hex | 1be7a0d5 |
468164821 has 8 divisors (see below), whose sum is σ = 485155584. Its totient is φ = 451292160.
The previous prime is 468164789. The next prime is 468164833. The reversal of 468164821 is 128461864.
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 468164821 - 25 = 468164789 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 (468164861) 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 7 ways as a sum of consecutive naturals, for example, 21415 + ... + 37348.
It is an arithmetic number, because the mean of its divisors is an integer number (60644448).
Almost surely, 2468164821 is an apocalyptic number.
It is an amenable number.
468164821 is a deficient number, since it is larger than the sum of its proper divisors (16990763).
468164821 is a wasteful number, since it uses less digits than its factorization.
468164821 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 59051.
The product of its digits is 73728, while the sum is 40.
The square root of 468164821 is about 21637.1167441505. The cubic root of 468164821 is about 776.4847408218.
The spelling of 468164821 in words is "four hundred sixty-eight million, one hundred sixty-four thousand, eight hundred twenty-one".
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