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12217002 = 2372312647
BaseRepresentation
bin101110100110…
…101010101010
3211222200120120
4232212222222
511111421002
61113504110
7205562040
oct56465252
924880516
1012217002
1169948a6
124112036
1326b99c5
1418a0390
151114cbc
hexba6aaa

12217002 has 32 divisors (see below), whose sum is σ = 29140992. Its totient is φ = 3338544.

The previous prime is 12216991. The next prime is 12217027. The reversal of 12217002 is 20071221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5358 + ... + 7289.

It is an arithmetic number, because the mean of its divisors is an integer number (910656).

Almost surely, 212217002 is an apocalyptic number.

12217002 is an abundant number, since it is smaller than the sum of its proper divisors (16923990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12217002 is a wasteful number, since it uses less digits than its factorization.

12217002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12682.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 12217002 is about 3495.2828211748. The cubic root of 12217002 is about 230.3146418349.

Adding to 12217002 its reverse (20071221), we get a palindrome (32288223).

The spelling of 12217002 in words is "twelve million, two hundred seventeen thousand, two".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 12647 25294 37941 75882 88529 177058 265587 290881 531174 581762 872643 1745286 2036167 4072334 6108501 12217002