Search a number
-
+
240021341 = 789385267
BaseRepresentation
bin11100100111001…
…10111101011101
3121201122100101022
432103212331131
5442421140331
635452253525
75643101450
oct1623467535
9551570338
10240021341
1111353864a
12684712a5
133a95a781
1423c3d497
151611267b
hexe4e6f5d

240021341 has 8 divisors (see below), whose sum is σ = 277392960. Its totient is φ = 203420448.

The previous prime is 240021337. The next prime is 240021343. The reversal of 240021341 is 143120042.

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

It is not a de Polignac number, because 240021341 - 22 = 240021337 is a prime.

It is a super-2 number, since 2×2400213412 = 115220488270876562, 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 (240021343) 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, 192011 + ... + 193256.

It is an arithmetic number, because the mean of its divisors is an integer number (34674120).

Almost surely, 2240021341 is an apocalyptic number.

It is an amenable number.

240021341 is a deficient number, since it is larger than the sum of its proper divisors (37371619).

240021341 is an equidigital number, since it uses as much as digits as its factorization.

240021341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385363.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240021341 is about 15492.6221473319. The cubic root of 240021341 is about 621.4649204917.

Adding to 240021341 its reverse (143120042), we get a palindrome (383141383).

The spelling of 240021341 in words is "two hundred forty million, twenty-one thousand, three hundred forty-one".

Divisors: 1 7 89 623 385267 2696869 34288763 240021341