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240341213 = 734334459
BaseRepresentation
bin11100101001101…
…01000011011101
3121202020121011102
432110311003131
5443011404323
635503202445
75645603150
oct1624650335
9552217142
10240341213
11113736a02
12685a6425
133aa40248
1423cc3c97
1516177328
hexe5350dd

240341213 has 4 divisors (see below), whose sum is σ = 274675680. Its totient is φ = 206006748.

The previous prime is 240341209. The next prime is 240341219. The reversal of 240341213 is 312143042.

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 240341213 - 22 = 240341209 is a prime.

It is a super-2 number, since 2×2403412132 = 115527797332622738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240341219) 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, 17167223 + ... + 17167236.

It is an arithmetic number, because the mean of its divisors is an integer number (68668920).

Almost surely, 2240341213 is an apocalyptic number.

It is an amenable number.

240341213 is a deficient number, since it is larger than the sum of its proper divisors (34334467).

240341213 is an equidigital number, since it uses as much as digits as its factorization.

240341213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34334466.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 240341213 is about 15502.9420756191. The cubic root of 240341213 is about 621.7408695441.

Adding to 240341213 its reverse (312143042), we get a palindrome (552484255).

The spelling of 240341213 in words is "two hundred forty million, three hundred forty-one thousand, two hundred thirteen".

Divisors: 1 7 34334459 240341213