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25142253 = 38380751
BaseRepresentation
bin101111111101…
…0001111101101
31202022100200120
41133322033231
522414023003
62254515153
7423464013
oct137721755
952270616
1025142253
1113212824
128505ab9
135293b96
1434a68b3
152319853
hex17fa3ed

25142253 has 4 divisors (see below), whose sum is σ = 33523008. Its totient is φ = 16761500.

The previous prime is 25142251. The next prime is 25142281. The reversal of 25142253 is 35224152.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25142253 - 21 = 25142251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25142251) 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, 4190373 + ... + 4190378.

It is an arithmetic number, because the mean of its divisors is an integer number (8380752).

Almost surely, 225142253 is an apocalyptic number.

It is an amenable number.

25142253 is a deficient number, since it is larger than the sum of its proper divisors (8380755).

25142253 is an equidigital number, since it uses as much as digits as its factorization.

25142253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8380754.

The product of its digits is 2400, while the sum is 24.

The square root of 25142253 is about 5014.2051214525. The cubic root of 25142253 is about 292.9553256135.

The spelling of 25142253 in words is "twenty-five million, one hundred forty-two thousand, two hundred fifty-three".

Divisors: 1 3 8380751 25142253