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240234145 = 555818609
BaseRepresentation
bin11100101000110…
…10111010100001
3121202001011021221
432110122322201
5442444443040
635501015041
75644646044
oct1624327241
9552034257
10240234145
11113673518
1268554481
133aa035a8
1423c96c5b
151615574a
hexe51aea1

240234145 has 8 divisors (see below), whose sum is σ = 288366120. Its totient is φ = 192130560.

The previous prime is 240234143. The next prime is 240234161. The reversal of 240234145 is 541432042.

It is a happy number.

240234145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1871424 + 238362721 = 1368^2 + 15439^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240234145 - 21 = 240234143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240234143) 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, 23601 + ... + 32209.

It is an arithmetic number, because the mean of its divisors is an integer number (36045765).

Almost surely, 2240234145 is an apocalyptic number.

It is an amenable number.

240234145 is a deficient number, since it is larger than the sum of its proper divisors (48131975).

240234145 is an equidigital number, since it uses as much as digits as its factorization.

240234145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14195.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 240234145 is about 15499.4885399487. The cubic root of 240234145 is about 621.6485307700.

Adding to 240234145 its reverse (541432042), we get a palindrome (781666187).

The spelling of 240234145 in words is "two hundred forty million, two hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 5581 8609 27905 43045 48046829 240234145