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240137089 = 2310440743
BaseRepresentation
bin11100101000000…
…11001110000001
3121201212020011021
432110003032001
5442433341324
635454545441
75644063063
oct1624031601
9551766137
10240137089
11113607605
1268508281
133a99b36a
1423c6d733
1516136ae4
hexe503381

240137089 has 4 divisors (see below), whose sum is σ = 250577856. Its totient is φ = 229696324.

The previous prime is 240137071. The next prime is 240137099. The reversal of 240137089 is 980731042.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 240137089 - 25 = 240137057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240137059) 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 3 ways as a sum of consecutive naturals, for example, 5220349 + ... + 5220394.

It is an arithmetic number, because the mean of its divisors is an integer number (62644464).

Almost surely, 2240137089 is an apocalyptic number.

It is an amenable number.

240137089 is a deficient number, since it is larger than the sum of its proper divisors (10440767).

240137089 is a wasteful number, since it uses less digits than its factorization.

240137089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10440766.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 240137089 is about 15496.3572816324. The cubic root of 240137089 is about 621.5648029458.

The spelling of 240137089 in words is "two hundred forty million, one hundred thirty-seven thousand, eighty-nine".

Divisors: 1 23 10440743 240137089