Base | Representation |
---|---|
bin | 100100111100… |
… | …0110100001001 |
3 | 1100110001120201 |
4 | 1021320310021 |
5 | 14424303400 |
6 | 1531052201 |
7 | 323431021 |
oct | 111706411 |
9 | 40401521 |
10 | 19369225 |
11 | aa2a427 |
12 | 65a1061 |
13 | 40222a5 |
14 | 2802a81 |
15 | 1a7906a |
hex | 1278d09 |
19369225 has 12 divisors (see below), whose sum is σ = 24113164. Its totient is φ = 15433920.
The previous prime is 19369213. The next prime is 19369249. The reversal of 19369225 is 52296391.
It can be written as a sum of positive squares in 6 ways, for example, as 732736 + 18636489 = 856^2 + 4317^2 .
It is not a de Polignac number, because 19369225 - 219 = 18844937 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5527 + ... + 8323.
Almost surely, 219369225 is an apocalyptic number.
It is an amenable number.
19369225 is a deficient number, since it is larger than the sum of its proper divisors (4743939).
19369225 is a wasteful number, since it uses less digits than its factorization.
19369225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3084 (or 3079 counting only the distinct ones).
The product of its digits is 29160, while the sum is 37.
The square root of 19369225 is about 4401.0481706066. The cubic root of 19369225 is about 268.5575799489.
The spelling of 19369225 in words is "nineteen million, three hundred sixty-nine thousand, two hundred twenty-five".
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