Base | Representation |
---|---|
bin | 11101001101100… |
… | …100100100110001 |
3 | 1021011012111121201 |
4 | 131031210210301 |
5 | 2000431100240 |
6 | 120344251201 |
7 | 15100520032 |
oct | 3515444461 |
9 | 1234174551 |
10 | 490096945 |
11 | 2317130a8 |
12 | 118170b01 |
13 | 7a6c86c0 |
14 | 49138a89 |
15 | 2d05dd9a |
hex | 1d364931 |
490096945 has 16 divisors (see below), whose sum is σ = 639635472. Its totient is φ = 358329600.
The previous prime is 490096939. The next prime is 490096967. The reversal of 490096945 is 549690094.
490096945 = T436 + T437 + ... + T1445.
It can be written as a sum of positive squares in 8 ways, for example, as 20421361 + 469675584 = 4519^2 + 21672^2 .
It is not a de Polignac number, because 490096945 - 227 = 355879217 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 490096895 and 490096904.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30762 + ... + 43891.
It is an arithmetic number, because the mean of its divisors is an integer number (39977217).
Almost surely, 2490096945 is an apocalyptic number.
It is an amenable number.
490096945 is a deficient number, since it is larger than the sum of its proper divisors (149538527).
490096945 is a wasteful number, since it uses less digits than its factorization.
490096945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 74772.
The product of its (nonzero) digits is 349920, while the sum is 46.
The square root of 490096945 is about 22138.1332772210. The cubic root of 490096945 is about 788.4255053110.
The spelling of 490096945 in words is "four hundred ninety million, ninety-six thousand, nine hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •