Base | Representation |
---|---|
bin | 11011111110111… |
… | …001111001101001 |
3 | 1012201101210112001 |
4 | 123332321321221 |
5 | 1430141144141 |
6 | 114330251001 |
7 | 14430320356 |
oct | 3376717151 |
9 | 1181353461 |
10 | 469474921 |
11 | 221008503 |
12 | 111286a61 |
13 | 76358116 |
14 | 464cb62d |
15 | 2b338a31 |
hex | 1bfb9e69 |
469474921 has 2 divisors, whose sum is σ = 469474922. Its totient is φ = 469474920.
The previous prime is 469474913. The next prime is 469474937. The reversal of 469474921 is 129474964.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 239042521 + 230432400 = 15461^2 + 15180^2 .
It is a cyclic number.
It is not a de Polignac number, because 469474921 - 23 = 469474913 is a prime.
It is not a weakly prime, because it can be changed into another prime (469474121) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234737460 + 234737461.
It is an arithmetic number, because the mean of its divisors is an integer number (234737461).
Almost surely, 2469474921 is an apocalyptic number.
It is an amenable number.
469474921 is a deficient number, since it is larger than the sum of its proper divisors (1).
469474921 is an equidigital number, since it uses as much as digits as its factorization.
469474921 is an evil number, because the sum of its binary digits is even.
The product of its digits is 435456, while the sum is 46.
The square root of 469474921 is about 21667.3699603805. The cubic root of 469474921 is about 777.2083643428.
The spelling of 469474921 in words is "four hundred sixty-nine million, four hundred seventy-four thousand, nine hundred twenty-one".
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