Search a number
-
+
34042445 = 513749697
BaseRepresentation
bin1000000111011…
…1001001001101
32101001112110022
42001313021031
532203324240
63213351525
7562233053
oct201671115
971045408
1034042445
1118241658
12b4985a5
13708bc78
1447421d3
152ec69b5
hex207724d

34042445 has 8 divisors (see below), whose sum is σ = 41149944. Its totient is φ = 27034624.

The previous prime is 34042439. The next prime is 34042447. The reversal of 34042445 is 54424043.

It can be written as a sum of positive squares in 4 ways, for example, as 6889 + 34035556 = 83^2 + 5834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 34042445 - 210 = 34041421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34042447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24164 + ... + 25533.

It is an arithmetic number, because the mean of its divisors is an integer number (5143743).

Almost surely, 234042445 is an apocalyptic number.

It is an amenable number.

34042445 is a deficient number, since it is larger than the sum of its proper divisors (7107499).

34042445 is a wasteful number, since it uses less digits than its factorization.

34042445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49839.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 34042445 is about 5834.5903883649. The cubic root of 34042445 is about 324.0959332089.

Adding to 34042445 its reverse (54424043), we get a palindrome (88466488).

The spelling of 34042445 in words is "thirty-four million, forty-two thousand, four hundred forty-five".

Divisors: 1 5 137 685 49697 248485 6808489 34042445