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2400144073 = 18011332673
BaseRepresentation
bin1000111100001111…
…0100101011001001
320012021021221200221
42033003310223021
514403414102243
61034055230041
7113322613405
oct21703645311
96167257627
102400144073
111021900848
1256b978321
132c33393c2
1418aa9a105
15e0aa3bed
hex8f0f4ac9

2400144073 has 4 divisors (see below), whose sum is σ = 2401478548. Its totient is φ = 2398809600.

The previous prime is 2400144067. The next prime is 2400144101. The reversal of 2400144073 is 3704410042.

2400144073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3704410042 = 21852205021.

It can be written as a sum of positive squares in 2 ways, for example, as 253860489 + 2146283584 = 15933^2 + 46328^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2400144073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400144053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 664536 + ... + 668137.

It is an arithmetic number, because the mean of its divisors is an integer number (600369637).

Almost surely, 22400144073 is an apocalyptic number.

It is an amenable number.

2400144073 is a deficient number, since it is larger than the sum of its proper divisors (1334475).

2400144073 is a wasteful number, since it uses less digits than its factorization.

2400144073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334474.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 2400144073 is about 48991.2652724953. The cubic root of 2400144073 is about 1338.8926905209.

The spelling of 2400144073 in words is "two billion, four hundred million, one hundred forty-four thousand, seventy-three".

Divisors: 1 1801 1332673 2400144073