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25572038 = 212786019
BaseRepresentation
bin110000110001…
…1001011000110
31210010012020112
41201203023012
523021301123
62312033022
7430234022
oct141431306
953105215
1025572038
1113486718
128692772
1353b46ab
143579382
1523a1d78
hex18632c6

25572038 has 4 divisors (see below), whose sum is σ = 38358060. Its totient is φ = 12786018.

The previous prime is 25572031. The next prime is 25572049. The reversal of 25572038 is 83027552.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 25571995 and 25572013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6393008 + ... + 6393011.

It is an arithmetic number, because the mean of its divisors is an integer number (9589515).

Almost surely, 225572038 is an apocalyptic number.

25572038 is a deficient number, since it is larger than the sum of its proper divisors (12786022).

25572038 is a wasteful number, since it uses less digits than its factorization.

25572038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12786021.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 25572038 is about 5056.8802635617. The cubic root of 25572038 is about 294.6151757065.

The spelling of 25572038 in words is "twenty-five million, five hundred seventy-two thousand, thirty-eight".

Divisors: 1 2 12786019 25572038