Base | Representation |
---|---|
bin | 10100100111000… |
… | …011011100001001 |
3 | 220002122112202200 |
4 | 110213003130021 |
5 | 1202010011100 |
6 | 54151150413 |
7 | 11366045601 |
oct | 2447033411 |
9 | 802575680 |
10 | 345782025 |
11 | 168204176 |
12 | 97975409 |
13 | 5683a364 |
14 | 33ccdc01 |
15 | 20553e00 |
hex | 149c3709 |
345782025 has 18 divisors (see below), whose sum is σ = 619334430. Its totient is φ = 184416960.
The previous prime is 345782009. The next prime is 345782027. The reversal of 345782025 is 520287543.
It can be written as a sum of positive squares in 3 ways, for example, as 1159929 + 344622096 = 1077^2 + 18564^2 .
It is not a de Polignac number, because 345782025 - 24 = 345782009 is a prime.
It is not an unprimeable number, because it can be changed into a prime (345782027) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 768180 + ... + 768629.
Almost surely, 2345782025 is an apocalyptic number.
It is an amenable number.
345782025 is a deficient number, since it is larger than the sum of its proper divisors (273552405).
345782025 is a wasteful number, since it uses less digits than its factorization.
345782025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1536825 (or 1536817 counting only the distinct ones).
The product of its (nonzero) digits is 67200, while the sum is 36.
The square root of 345782025 is about 18595.2151103449. The cubic root of 345782025 is about 701.8874402528.
The spelling of 345782025 in words is "three hundred forty-five million, seven hundred eighty-two thousand, twenty-five".
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