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4800081 = 3111367167
BaseRepresentation
bin10010010011111001010001
3100000212110210
4102103321101
52212100311
6250514333
755541256
oct22237121
910025423
104800081
112789410
1217359a9
13cc0ab0
148cd42d
1564c3a6
hex493e51

4800081 has 32 divisors (see below), whose sum is σ = 7676928. Its totient is φ = 2629440.

The previous prime is 4800073. The next prime is 4800083. The reversal of 4800081 is 1800084.

It is not a de Polignac number, because 4800081 - 23 = 4800073 is a prime.

It is a super-2 number, since 2×48000812 = 46081555213122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4800083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28660 + ... + 28826.

It is an arithmetic number, because the mean of its divisors is an integer number (239904).

Almost surely, 24800081 is an apocalyptic number.

It is an amenable number.

4800081 is a deficient number, since it is larger than the sum of its proper divisors (2876847).

4800081 is a wasteful number, since it uses less digits than its factorization.

4800081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261.

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 4800081 is about 2190.9087155790. The cubic root of 4800081 is about 168.6874819168.

The spelling of 4800081 in words is "four million, eight hundred thousand, eighty-one".

Divisors: 1 3 11 13 33 39 67 143 167 201 429 501 737 871 1837 2171 2211 2613 5511 6513 9581 11189 23881 28743 33567 71643 123079 145457 369237 436371 1600027 4800081