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2144331 = 327101337
BaseRepresentation
bin1000001011100001001011
311000221110200
420023201023
51022104311
6113543243
724140460
oct10134113
94027420
102144331
111235082
12874b23
135a1047
143db667
152c5556
hex20b84b

2144331 has 24 divisors (see below), whose sum is σ = 3585504. Its totient is φ = 1209600.

The previous prime is 2144323. The next prime is 2144369. The reversal of 2144331 is 1334412.

It is not a de Polignac number, because 2144331 - 23 = 2144323 is a prime.

It is a super-2 number, since 2×21443312 = 9196310875122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2144371) 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, 6195 + ... + 6531.

It is an arithmetic number, because the mean of its divisors is an integer number (149396).

22144331 is an apocalyptic number.

2144331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2144331 is a deficient number, since it is larger than the sum of its proper divisors (1441173).

2144331 is a wasteful number, since it uses less digits than its factorization.

2144331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451 (or 448 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 2144331 is about 1464.3534409425. The cubic root of 2144331 is about 128.9527499570.

Adding to 2144331 its reverse (1334412), we get a palindrome (3478743).

The spelling of 2144331 in words is "two million, one hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 3 7 9 21 63 101 303 337 707 909 1011 2121 2359 3033 6363 7077 21231 34037 102111 238259 306333 714777 2144331