Base | Representation |
---|---|
bin | 1101000101011101100101 |
3 | 20110021102010 |
4 | 31011131211 |
5 | 1334231440 |
6 | 201304433 |
7 | 41104500 |
oct | 15053545 |
9 | 6407363 |
10 | 3430245 |
11 | 1a33215 |
12 | 1195119 |
13 | 931440 |
14 | 654137 |
15 | 47b580 |
hex | 345765 |
3430245 has 48 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 1443456.
The previous prime is 3430171. The next prime is 3430249. The reversal of 3430245 is 5420343.
It is a happy number.
It is not a de Polignac number, because 3430245 - 27 = 3430117 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3430249) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9376 + ... + 9734.
It is an arithmetic number, because the mean of its divisors is an integer number (143640).
Almost surely, 23430245 is an apocalyptic number.
3430245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
3430245 is an abundant number, since it is smaller than the sum of its proper divisors (3464475).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3430245 is a wasteful number, since it uses less digits than its factorization.
3430245 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 394 (or 387 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 21.
The square root of 3430245 is about 1852.0920603469. The cubic root of 3430245 is about 150.8140189412.
Adding to 3430245 its reverse (5420343), we get a palindrome (8850588).
The spelling of 3430245 in words is "three million, four hundred thirty thousand, two hundred forty-five".
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