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34891225 = 5217531549
BaseRepresentation
bin1000010100011…
…0010111011001
32102122122202121
42011012113121
532413004400
63243501241
7602366455
oct205062731
972578677
1034891225
1118771326
12b827821
1372c83c5
1448c3665
1530e321a
hex21465d9

34891225 has 24 divisors (see below), whose sum is σ = 46704600. Its totient is φ = 25758720.

The previous prime is 34891211. The next prime is 34891229. The reversal of 34891225 is 52219843.

It can be written as a sum of positive squares in 12 ways, for example, as 4210704 + 30680521 = 2052^2 + 5539^2 .

It is not a de Polignac number, because 34891225 - 25 = 34891193 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34891229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21751 + ... + 23299.

It is an arithmetic number, because the mean of its divisors is an integer number (1946025).

Almost surely, 234891225 is an apocalyptic number.

It is an amenable number.

34891225 is a deficient number, since it is larger than the sum of its proper divisors (11813375).

34891225 is a wasteful number, since it uses less digits than its factorization.

34891225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1629 (or 1624 counting only the distinct ones).

The product of its digits is 17280, while the sum is 34.

The square root of 34891225 is about 5906.8794638117. The cubic root of 34891225 is about 326.7674124683.

The spelling of 34891225 in words is "thirty-four million, eight hundred ninety-one thousand, two hundred twenty-five".

Divisors: 1 5 17 25 53 85 265 425 901 1325 1549 4505 7745 22525 26333 38725 82097 131665 410485 658325 1395649 2052425 6978245 34891225