Base | Representation |
---|---|
bin | 11011111101001… |
… | …111110111101101 |
3 | 1012200120201202212 |
4 | 123331033313231 |
5 | 1430033244441 |
6 | 114313100205 |
7 | 14423531240 |
oct | 3375176755 |
9 | 1180521685 |
10 | 469040621 |
11 | 220841185 |
12 | 1110b7665 |
13 | 7623553a |
14 | 46417257 |
15 | 2b29eeeb |
hex | 1bf4fded |
469040621 has 4 divisors (see below), whose sum is σ = 536046432. Its totient is φ = 402034812.
The previous prime is 469040609. The next prime is 469040639. The reversal of 469040621 is 126040964.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 469040621 - 218 = 468778477 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 (469040921) 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, 33502895 + ... + 33502908.
It is an arithmetic number, because the mean of its divisors is an integer number (134011608).
Almost surely, 2469040621 is an apocalyptic number.
It is an amenable number.
469040621 is a deficient number, since it is larger than the sum of its proper divisors (67005811).
469040621 is an equidigital number, since it uses as much as digits as its factorization.
469040621 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67005810.
The product of its (nonzero) digits is 10368, while the sum is 32.
The square root of 469040621 is about 21657.3456591522. The cubic root of 469040621 is about 776.9686314590.
The spelling of 469040621 in words is "four hundred sixty-nine million, forty thousand, six hundred twenty-one".
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