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12730342 = 219335009
BaseRepresentation
bin110000100011…
…111111100110
3212221202202011
4300203333212
511224332332
61132504434
7213130462
oct60437746
925852664
1012730342
117205549
12431b11a
132839561
1419954a2
1511b6e47
hexc23fe6

12730342 has 8 divisors (see below), whose sum is σ = 20100600. Its totient is φ = 6030144.

The previous prime is 12730327. The next prime is 12730349. The reversal of 12730342 is 24303721.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730349) 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, 167467 + ... + 167542.

It is an arithmetic number, because the mean of its divisors is an integer number (2512575).

Almost surely, 212730342 is an apocalyptic number.

12730342 is a deficient number, since it is larger than the sum of its proper divisors (7370258).

12730342 is a wasteful number, since it uses less digits than its factorization.

12730342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335030.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 12730342 is about 3567.9604818439. The cubic root of 12730342 is about 233.4963110808.

The spelling of 12730342 in words is "twelve million, seven hundred thirty thousand, three hundred forty-two".

Divisors: 1 2 19 38 335009 670018 6365171 12730342