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12210002 = 27872143
BaseRepresentation
bin101110100100…
…111101010010
3211222022222022
4232210331102
511111210002
61113411442
7205532450
oct56447522
924868868
1012210002
11698a612
124109b82
1326b676c
14189b9d0
151112ba2
hexba4f52

12210002 has 8 divisors (see below), whose sum is σ = 20931456. Its totient is φ = 5232852.

The previous prime is 12209993. The next prime is 12210007. The reversal of 12210002 is 20001221.

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

It is not an unprimeable number, because it can be changed into a prime (12210007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 436058 + ... + 436085.

It is an arithmetic number, because the mean of its divisors is an integer number (2616432).

Almost surely, 212210002 is an apocalyptic number.

12210002 is a deficient number, since it is larger than the sum of its proper divisors (8721454).

12210002 is an equidigital number, since it uses as much as digits as its factorization.

12210002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 872152.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 12210002 is about 3494.2813281131. The cubic root of 12210002 is about 230.2706454844.

Adding to 12210002 its reverse (20001221), we get a palindrome (32211223).

The spelling of 12210002 in words is "twelve million, two hundred ten thousand, two".

Divisors: 1 2 7 14 872143 1744286 6105001 12210002