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240034221 = 32735910613
BaseRepresentation
bin11100100111010…
…10000110101101
3121201200000001100
432103222012231
5442422043341
635452433313
75643154140
oct1623520655
9551600040
10240034221
11113547299
1268478839
133a9635ab
1423c44057
15161163b6
hexe4ea1ad

240034221 has 24 divisors (see below), whose sum is σ = 397388160. Its totient is φ = 136767456.

The previous prime is 240034219. The next prime is 240034229. The reversal of 240034221 is 122430042.

240034221 is a `hidden beast` number, since 240 + 0 + 3 + 422 + 1 = 666.

It is not a de Polignac number, because 240034221 - 21 = 240034219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 240034194 and 240034203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240034229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17311 + ... + 27923.

It is an arithmetic number, because the mean of its divisors is an integer number (16557840).

Almost surely, 2240034221 is an apocalyptic number.

240034221 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

240034221 is a deficient number, since it is larger than the sum of its proper divisors (157353939).

240034221 is a wasteful number, since it uses less digits than its factorization.

240034221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10985 (or 10982 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 240034221 is about 15493.0378234870. The cubic root of 240034221 is about 621.4760366214.

Adding to 240034221 its reverse (122430042), we get a palindrome (362464263).

It can be divided in two parts, 24003 and 4221, that added together give a square (28224 = 1682).

The spelling of 240034221 in words is "two hundred forty million, thirty-four thousand, two hundred twenty-one".

Divisors: 1 3 7 9 21 63 359 1077 2513 3231 7539 10613 22617 31839 74291 95517 222873 668619 3810067 11430201 26670469 34290603 80011407 240034221