Base | Representation |
---|---|
bin | 11101010110100… |
… | …000101110100001 |
3 | 1021022121120100100 |
4 | 131112200232201 |
5 | 2002031043411 |
6 | 120510413013 |
7 | 15126450351 |
oct | 3526405641 |
9 | 1238546310 |
10 | 492440481 |
11 | 232a73905 |
12 | 118b01169 |
13 | 7b039300 |
14 | 49588b61 |
15 | 2d373456 |
hex | 1d5a0ba1 |
492440481 has 27 divisors (see below), whose sum is σ = 771583449. Its totient is φ = 302507712.
The previous prime is 492440467. The next prime is 492440483. The reversal of 492440481 is 184044294.
The square root of 492440481 is 22191.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 4 ways, for example, as 232715025 + 259725456 = 15255^2 + 16116^2 .
It is not a de Polignac number, because 492440481 - 27 = 492440353 is a prime.
It is a super-2 number, since 2×4924404812 = 484995254655022722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (492440483) by changing a digit.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 865165 + ... + 865733.
Almost surely, 2492440481 is an apocalyptic number.
492440481 is the 22191-st square number.
492440481 is the 11096-th centered octagonal number.
It is an amenable number.
492440481 is a deficient number, since it is larger than the sum of its proper divisors (279142968).
492440481 is an equidigital number, since it uses as much as digits as its factorization.
492440481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1170 (or 585 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 36.
The cubic root of 492440481 is about 789.6802001005.
Multiplying 492440481 by its sum of digits (36), we get a square (17727857316 = 1331462).
Multiplying 492440481 by its product of nonzero digits (36864), we get a square (18153325891584 = 42606722).
The spelling of 492440481 in words is "four hundred ninety-two million, four hundred forty thousand, four hundred eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •