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4750081 = 7432367
BaseRepresentation
bin10010000111101100000001
322221022212221
4102013230001
52204000311
6245451041
755242430
oct22075401
98838787
104750081
112754896
121710a81
13ca40cb
148b9117
1563c671
hex487b01

4750081 has 12 divisors (see below), whose sum is σ = 5572992. Its totient is φ = 3965976.

The previous prime is 4750073. The next prime is 4750087. The reversal of 4750081 is 1800574.

It is not a de Polignac number, because 4750081 - 23 = 4750073 is a prime.

It is a super-2 number, since 2×47500812 = 45126539013122, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4750087) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12760 + ... + 13126.

It is an arithmetic number, because the mean of its divisors is an integer number (464416).

Almost surely, 24750081 is an apocalyptic number.

It is an amenable number.

4750081 is a deficient number, since it is larger than the sum of its proper divisors (822911).

4750081 is an equidigital number, since it uses as much as digits as its factorization.

4750081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460 (or 417 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 4750081 is about 2179.4680543656. The cubic root of 4750081 is about 168.0997258433.

The spelling of 4750081 in words is "four million, seven hundred fifty thousand, eighty-one".

Divisors: 1 7 43 301 367 1849 2569 12943 15781 110467 678583 4750081