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12742322 = 223277007
BaseRepresentation
bin110000100110…
…111010110010
3212222101011212
4300212322302
511230223242
61133040122
7213210425
oct60467262
925871155
1012742322
11721354a
124326042
132841b48
1419999bc
1511ba782
hexc26eb2

12742322 has 8 divisors (see below), whose sum is σ = 19944576. Its totient is φ = 6094132.

The previous prime is 12742321. The next prime is 12742343. The reversal of 12742322 is 22324721.

It is a happy number.

12742322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (12742321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138458 + ... + 138549.

It is an arithmetic number, because the mean of its divisors is an integer number (2493072).

Almost surely, 212742322 is an apocalyptic number.

12742322 is a deficient number, since it is larger than the sum of its proper divisors (7202254).

12742322 is a wasteful number, since it uses less digits than its factorization.

12742322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277032.

The product of its digits is 1344, while the sum is 23.

The square root of 12742322 is about 3569.6389173136. The cubic root of 12742322 is about 233.5695327008.

The spelling of 12742322 in words is "twelve million, seven hundred forty-two thousand, three hundred twenty-two".

Divisors: 1 2 23 46 277007 554014 6371161 12742322