Base | Representation |
---|---|
bin | 11011111110100… |
… | …001101101000001 |
3 | 1012201012202120020 |
4 | 123332201231001 |
5 | 1430130011214 |
6 | 114324204053 |
7 | 14426425410 |
oct | 3376415501 |
9 | 1181182506 |
10 | 469375809 |
11 | 220a4aaa1 |
12 | 111239629 |
13 | 76321c86 |
14 | 464a3477 |
15 | 2b3194a9 |
hex | 1bfa1b41 |
469375809 has 16 divisors (see below), whose sum is σ = 716912640. Its totient is φ = 267587280.
The previous prime is 469375787. The next prime is 469375813. The reversal of 469375809 is 908573964.
It is not a de Polignac number, because 469375809 - 28 = 469375553 is a prime.
It is not an unprimeable number, because it can be changed into a prime (469375849) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16879 + ... + 34980.
It is an arithmetic number, because the mean of its divisors is an integer number (44807040).
Almost surely, 2469375809 is an apocalyptic number.
It is an amenable number.
469375809 is a deficient number, since it is larger than the sum of its proper divisors (247536831).
469375809 is a wasteful number, since it uses less digits than its factorization.
469375809 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 52300.
The product of its (nonzero) digits is 1632960, while the sum is 51.
The square root of 469375809 is about 21665.0827138970. The cubic root of 469375809 is about 777.1536677067.
It can be divided in two parts, 469 and 375809, that added together give a triangular number (376278 = T867).
The spelling of 469375809 in words is "four hundred sixty-nine million, three hundred seventy-five thousand, eight hundred nine".
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