[go: up one dir, main page]

Search a number
-
+
25241145 = 359711733
BaseRepresentation
bin110000001001…
…0011000111001
31202111101100020
41200102120321
522430204040
62301001053
7424355226
oct140223071
952441306
1025241145
1113280056
128553189
1352c9bb7
1434d094d
152338cd0
hex1812639

25241145 has 16 divisors (see below), whose sum is σ = 40450752. Its totient is φ = 13440320.

The previous prime is 25241131. The next prime is 25241171. The reversal of 25241145 is 54114252.

It is not a de Polignac number, because 25241145 - 213 = 25232953 is a prime.

It is a super-2 number, since 2×252411452 = 1274230801822050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13699 + ... + 15431.

It is an arithmetic number, because the mean of its divisors is an integer number (2528172).

Almost surely, 225241145 is an apocalyptic number.

It is an amenable number.

25241145 is a deficient number, since it is larger than the sum of its proper divisors (15209607).

25241145 is a wasteful number, since it uses less digits than its factorization.

25241145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712.

The product of its digits is 1600, while the sum is 24.

The square root of 25241145 is about 5024.0566278656. The cubic root of 25241145 is about 293.3389167613.

Adding to 25241145 its reverse (54114252), we get a palindrome (79355397).

The spelling of 25241145 in words is "twenty-five million, two hundred forty-one thousand, one hundred forty-five".

Divisors: 1 3 5 15 971 1733 2913 4855 5199 8665 14565 25995 1682743 5048229 8413715 25241145