Search a number
-
+
25089340 = 2251254467
BaseRepresentation
bin101111110110…
…1010100111100
31202012200002211
41133231110330
522410324330
62253430204
7423153523
oct137552474
952180084
1025089340
1113186aa1
12849b364
135275a83
1434914ba
152308d2a
hex17ed53c

25089340 has 12 divisors (see below), whose sum is σ = 52687656. Its totient is φ = 10035728.

The previous prime is 25089307. The next prime is 25089353. The reversal of 25089340 is 4398052.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 627214 + ... + 627253.

It is an arithmetic number, because the mean of its divisors is an integer number (4390638).

Almost surely, 225089340 is an apocalyptic number.

25089340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25089340 is an abundant number, since it is smaller than the sum of its proper divisors (27598316).

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

25089340 is a wasteful number, since it uses less digits than its factorization.

25089340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254476 (or 1254474 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 25089340 is about 5008.9260325942. The cubic root of 25089340 is about 292.7496687304.

The spelling of 25089340 in words is "twenty-five million, eighty-nine thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 1254467 2508934 5017868 6272335 12544670 25089340