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3948394825 = 52315094703
BaseRepresentation
bin1110101101010111…
…1011100101001001
3101012011121020110101
43223111323211021
531041242113300
61451443445401
7166562542114
oct35325734511
911164536411
103948394825
111746847521
12922386861
134ac0237cb
1429655d57b
1518197eb6a
hexeb57b949

3948394825 has 12 divisors (see below), whose sum is σ = 5053946368. Its totient is φ = 3056821200.

The previous prime is 3948394817. The next prime is 3948394831. The reversal of 3948394825 is 5284938493.

It is not a de Polignac number, because 3948394825 - 23 = 3948394817 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2546577 + ... + 2548126.

Almost surely, 23948394825 is an apocalyptic number.

It is an amenable number.

3948394825 is a deficient number, since it is larger than the sum of its proper divisors (1105551543).

3948394825 is a wasteful number, since it uses less digits than its factorization.

3948394825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5094744 (or 5094739 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The square root of 3948394825 is about 62836.2540656268. The cubic root of 3948394825 is about 1580.5449737055.

The spelling of 3948394825 in words is "three billion, nine hundred forty-eight million, three hundred ninety-four thousand, eight hundred twenty-five".

Divisors: 1 5 25 31 155 775 5094703 25473515 127367575 157935793 789678965 3948394825