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2048081 = 72312721
BaseRepresentation
bin111110100000001010001
310212001102212
413310001101
51011014311
6111521505
723260040
oct7640121
93761385
102048081
111179832
12829295
135692a9
143b4557
152a6c8b
hex1f4051

2048081 has 8 divisors (see below), whose sum is σ = 2442624. Its totient is φ = 1679040.

The previous prime is 2048063. The next prime is 2048107. The reversal of 2048081 is 1808402.

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 2048081 - 26 = 2048017 is a prime.

It is a super-2 number, since 2×20480812 = 8389271565122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2048021) 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, 6200 + ... + 6521.

It is an arithmetic number, because the mean of its divisors is an integer number (305328).

22048081 is an apocalyptic number.

It is an amenable number.

2048081 is a deficient number, since it is larger than the sum of its proper divisors (394543).

2048081 is a wasteful number, since it uses less digits than its factorization.

2048081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12751.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 2048081 is about 1431.1118055554. Note that the first 3 decimals coincide. The cubic root of 2048081 is about 126.9937583474.

The spelling of 2048081 in words is "two million, forty-eight thousand, eighty-one".

Divisors: 1 7 23 161 12721 89047 292583 2048081