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25142214 = 234190369
BaseRepresentation
bin101111111101…
…0001111000110
31202022100122010
41133322033012
522414022324
62254515050
7423463626
oct137721706
952270563
1025142214
1113212799
128505a86
135293b66
1434a6886
152319829
hex17fa3c6

25142214 has 8 divisors (see below), whose sum is σ = 50284440. Its totient is φ = 8380736.

The previous prime is 25142213. The next prime is 25142239. The reversal of 25142214 is 41224152.

It is a sphenic number, since it is the product of 3 distinct primes.

25142214 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25142213) 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, 2095179 + ... + 2095190.

It is an arithmetic number, because the mean of its divisors is an integer number (6285555).

Almost surely, 225142214 is an apocalyptic number.

25142214 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25142214 is a wasteful number, since it uses less digits than its factorization.

25142214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190374.

The product of its digits is 640, while the sum is 21.

The square root of 25142214 is about 5014.2012324995. The cubic root of 25142214 is about 292.9551741386.

Adding to 25142214 its reverse (41224152), we get a palindrome (66366366).

The spelling of 25142214 in words is "twenty-five million, one hundred forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 4190369 8380738 12571107 25142214