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240213043 = 7217216963
BaseRepresentation
bin11100101000101…
…01110000110011
3121202000002100101
432110111300303
5442443304133
635500333231
75644530400
oct1624256063
9552002311
10240213043
11113659684
1268544217
133a9c6ac5
1423c8d2a7
151614e37d
hexe515c33

240213043 has 18 divisors (see below), whose sum is σ = 296853036. Its totient is φ = 193773888.

The previous prime is 240213041. The next prime is 240213049. The reversal of 240213043 is 340312042.

240213043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240213043 - 21 = 240213041 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 240213043.

It is not an unprimeable number, because it can be changed into a prime (240213041) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 5680 + ... + 22642.

Almost surely, 2240213043 is an apocalyptic number.

240213043 is a deficient number, since it is larger than the sum of its proper divisors (56639993).

240213043 is a wasteful number, since it uses less digits than its factorization.

240213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17011 (or 16987 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 240213043 is about 15498.8077928594. The cubic root of 240213043 is about 621.6303285124.

Adding to 240213043 its reverse (340312042), we get a palindrome (580525085).

The spelling of 240213043 in words is "two hundred forty million, two hundred thirteen thousand, forty-three".

Divisors: 1 7 17 49 119 289 833 2023 14161 16963 118741 288371 831187 2018597 4902307 14130179 34316149 240213043