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3908896457 = 29149390281
BaseRepresentation
bin1110100011111101…
…0000011011001001
3101002102021111212212
43220333100123021
531001134141312
61443513114505
7165603033404
oct35077203311
911072244785
103908896457
111726519844
129110b8a35
134a3aa43ab
142911dad3b
1517d27b822
hexe8fd06c9

3908896457 has 8 divisors (see below), whose sum is σ = 4046439240. Its totient is φ = 3771537280.

The previous prime is 3908896447. The next prime is 3908896477. The reversal of 3908896457 is 7546988093.

It can be written as a sum of positive squares in 4 ways, for example, as 1382426761 + 2526469696 = 37181^2 + 50264^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3908896457 - 24 = 3908896441 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3908896396 and 3908896405.

It is not an unprimeable number, because it can be changed into a prime (3908896447) 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 7 ways as a sum of consecutive naturals, for example, 1844 + ... + 88437.

It is an arithmetic number, because the mean of its divisors is an integer number (505804905).

Almost surely, 23908896457 is an apocalyptic number.

It is an amenable number.

3908896457 is a deficient number, since it is larger than the sum of its proper divisors (137542783).

3908896457 is a wasteful number, since it uses less digits than its factorization.

3908896457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91803.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The square root of 3908896457 is about 62521.1680713021. The cubic root of 3908896457 is about 1575.2568936135.

The spelling of 3908896457 in words is "three billion, nine hundred eight million, eight hundred ninety-six thousand, four hundred fifty-seven".

Divisors: 1 29 1493 43297 90281 2618149 134789533 3908896457