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3912285725 = 521928129311
BaseRepresentation
bin1110100100110000…
…1011111000011101
3101002122122201002022
43221030023320131
531003021120400
61444113505525
7165643610555
oct35114137035
911078581068
103912285725
111728424197
129122722a5
134a46bcc8a
14291840165
1517d6eab85
hexe930be1d

3912285725 has 24 divisors (see below), whose sum is σ = 5124910080. Its totient is φ = 2954448000.

The previous prime is 3912285721. The next prime is 3912285737. The reversal of 3912285725 is 5275822193.

It is not a de Polignac number, because 3912285725 - 22 = 3912285721 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3912285721) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 118820 + ... + 148130.

It is an arithmetic number, because the mean of its divisors is an integer number (213537920).

Almost surely, 23912285725 is an apocalyptic number.

It is an amenable number.

3912285725 is a deficient number, since it is larger than the sum of its proper divisors (1212624355).

3912285725 is a wasteful number, since it uses less digits than its factorization.

3912285725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29621 (or 29616 counting only the distinct ones).

The product of its digits is 302400, while the sum is 44.

The square root of 3912285725 is about 62548.2671622484. The cubic root of 3912285725 is about 1575.7120455560.

The spelling of 3912285725 in words is "three billion, nine hundred twelve million, two hundred eighty-five thousand, seven hundred twenty-five".

Divisors: 1 5 19 25 95 281 475 1405 5339 7025 26695 29311 133475 146555 556909 732775 2784545 8236391 13922725 41181955 156491429 205909775 782457145 3912285725