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25142316 = 2232095193
BaseRepresentation
bin101111111101…
…0010000101100
31202022100202220
41133322100230
522414023231
62254515340
7423464133
oct137722054
952270686
1025142316
1113212881
128505b50
135293c14
1434a691a
152319896
hex17fa42c

25142316 has 12 divisors (see below), whose sum is σ = 58665432. Its totient is φ = 8380768.

The previous prime is 25142311. The next prime is 25142329. The reversal of 25142316 is 61324152.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (25142311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1047585 + ... + 1047608.

It is an arithmetic number, because the mean of its divisors is an integer number (4888786).

Almost surely, 225142316 is an apocalyptic number.

It is an amenable number.

25142316 is an abundant number, since it is smaller than the sum of its proper divisors (33523116).

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

25142316 is a wasteful number, since it uses less digits than its factorization.

25142316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095200 (or 2095198 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 25142316 is about 5014.2114036008. The cubic root of 25142316 is about 292.9555703035.

Adding to 25142316 its reverse (61324152), we get a palindrome (86466468).

The spelling of 25142316 in words is "twenty-five million, one hundred forty-two thousand, three hundred sixteen".

Divisors: 1 2 3 4 6 12 2095193 4190386 6285579 8380772 12571158 25142316