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2133321 = 3977331
BaseRepresentation
bin1000001000110101001001
311000101100220
420020311021
51021231241
6113420253
724063411
oct10106511
94011326
102133321
111227883
1286a689
13599028
143d7641
152c2166
hex208d49

2133321 has 8 divisors (see below), whose sum is σ = 2874144. Its totient is φ = 1407360.

The previous prime is 2133311. The next prime is 2133331. The reversal of 2133321 is 1233312.

It is an interprime number because it is at equal distance from previous prime (2133311) and next prime (2133331).

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

It is not a de Polignac number, because 2133321 - 25 = 2133289 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2133321.

It is not an unprimeable number, because it can be changed into a prime (2133311) 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, 3375 + ... + 3956.

It is an arithmetic number, because the mean of its divisors is an integer number (359268).

22133321 is an apocalyptic number.

It is an amenable number.

2133321 is a deficient number, since it is larger than the sum of its proper divisors (740823).

2133321 is an equidigital number, since it uses as much as digits as its factorization.

2133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7431.

The product of its digits is 108, while the sum is 15.

The square root of 2133321 is about 1460.5892646463. The cubic root of 2133321 is about 128.7316698698.

Adding to 2133321 its reverse (1233312), we get a palindrome (3366633).

Subtracting from 2133321 its reverse (1233312), we obtain a palindrome (900009).

The spelling of 2133321 in words is "two million, one hundred thirty-three thousand, three hundred twenty-one".

Divisors: 1 3 97 291 7331 21993 711107 2133321