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34312045 = 56862409
BaseRepresentation
bin1000001011100…
…0111101101101
32101120020021111
42002320331231
532240441140
63223232021
7564435055
oct202707555
971506244
1034312045
1118406169
12b5a8611
1371548b1
1447b2565
15302b7ea
hex20b8f6d

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 = 85363331.

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".

Divisors: 1 5 6862409 34312045