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25150142 = 220836037
BaseRepresentation
bin101111111110…
…0001010111110
31202022202111202
41133330022332
522414301032
62255015502
7423526013
oct137741276
952282452
1025150142
1113218746
12850a592
135297654
1434a970a
15231bd62
hex17fc2be

25150142 has 8 divisors (see below), whose sum is σ = 37749576. Its totient is φ = 12566952.

The previous prime is 25150133. The next prime is 25150193. The reversal of 25150142 is 24105152.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1148 + ... + 7184.

It is an arithmetic number, because the mean of its divisors is an integer number (4718697).

Almost surely, 225150142 is an apocalyptic number.

25150142 is a deficient number, since it is larger than the sum of its proper divisors (12599434).

25150142 is a wasteful number, since it uses less digits than its factorization.

25150142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8122.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 25150142 is about 5014.9917248187. The cubic root of 25150142 is about 292.9859630545.

Adding to 25150142 its reverse (24105152), we get a palindrome (49255294).

The spelling of 25150142 in words is "twenty-five million, one hundred fifty thousand, one hundred forty-two".

Divisors: 1 2 2083 4166 6037 12074 12575071 25150142