Base | Representation |
---|---|
bin | 1000001011100… |
… | …0111101101101 |
3 | 2101120020021111 |
4 | 2002320331231 |
5 | 32240441140 |
6 | 3223232021 |
7 | 564435055 |
oct | 202707555 |
9 | 71506244 |
10 | 34312045 |
11 | 18406169 |
12 | b5a8611 |
13 | 71548b1 |
14 | 47b2565 |
15 | 302b7ea |
hex | 20b8f6d |
34312045 has 4 divisors (see below), whose sum is σ = 41174460. Its totient is φ = 27449632.
The previous prime is 34312027. The next prime is 34312049. The reversal of 34312045 is 54021343.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54021343 = 853 ⋅63331.
It can be written as a sum of positive squares in 2 ways, for example, as 14722569 + 19589476 = 3837^2 + 4426^2 .
It is a cyclic number.
It is not a de Polignac number, because 34312045 - 25 = 34312013 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (34312049) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3431200 + ... + 3431209.
It is an arithmetic number, because the mean of its divisors is an integer number (10293615).
Almost surely, 234312045 is an apocalyptic number.
It is an amenable number.
34312045 is a deficient number, since it is larger than the sum of its proper divisors (6862415).
34312045 is an equidigital number, since it uses as much as digits as its factorization.
34312045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6862414.
The product of its (nonzero) digits is 1440, while the sum is 22.
The square root of 34312045 is about 5857.6484189477. The cubic root of 34312045 is about 324.9492465124.
Adding to 34312045 its reverse (54021343), we get a palindrome (88333388).
It can be divided in two parts, 3431 and 2045, that added together give a square (5476 = 742).
The spelling of 34312045 in words is "thirty-four million, three hundred twelve thousand, forty-five".
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