Search a number
-
+
25252900 = 22521913291
BaseRepresentation
bin110000001010…
…1010000100100
31202111222110121
41200111100210
522431043100
62301131324
7424434421
oct140252044
952458417
1025252900
1113288972
128559b44
13530235a
1434d4d48
15233c51a
hex1815424

25252900 has 36 divisors (see below), whose sum is σ = 57687280. Its totient is φ = 9568800.

The previous prime is 25252897. The next prime is 25252921. The reversal of 25252900 is 925252.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4746 + ... + 8545.

Almost surely, 225252900 is an apocalyptic number.

25252900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25252900 is an abundant number, since it is smaller than the sum of its proper divisors (32434380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25252900 is a wasteful number, since it uses less digits than its factorization.

25252900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13324 (or 13317 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 25252900 is about 5025.2263630607. The cubic root of 25252900 is about 293.3844464420.

The spelling of 25252900 in words is "twenty-five million, two hundred fifty-two thousand, nine hundred".

Divisors: 1 2 4 5 10 19 20 25 38 50 76 95 100 190 380 475 950 1900 13291 26582 53164 66455 132910 252529 265820 332275 505058 664550 1010116 1262645 1329100 2525290 5050580 6313225 12626450 25252900