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5385081 = 313138079
BaseRepresentation
bin10100100010101101111001
3101010120221110
4110202231321
52334310311
6311230533
763525642
oct24425571
911116843
105385081
113048989
121978449
131167150
14a026c9
157158a6
hex522b79

5385081 has 8 divisors (see below), whose sum is σ = 7732480. Its totient is φ = 3313872.

The previous prime is 5385077. The next prime is 5385089. The reversal of 5385081 is 1805835.

It is a happy number.

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

It is not a de Polignac number, because 5385081 - 22 = 5385077 is a prime.

It is a super-2 number, since 2×53850812 = 57998194753122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5385089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69001 + ... + 69078.

It is an arithmetic number, because the mean of its divisors is an integer number (966560).

Almost surely, 25385081 is an apocalyptic number.

It is an amenable number.

5385081 is a deficient number, since it is larger than the sum of its proper divisors (2347399).

5385081 is a wasteful number, since it uses less digits than its factorization.

5385081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138095.

The product of its (nonzero) digits is 4800, while the sum is 30.

The square root of 5385081 is about 2320.5777297906. The cubic root of 5385081 is about 175.2793470470.

The spelling of 5385081 in words is "five million, three hundred eighty-five thousand, eighty-one".

Divisors: 1 3 13 39 138079 414237 1795027 5385081