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12243419 = 311632423
BaseRepresentation
bin101110101101…
…000111011011
3212001000210222
4232231013123
511113242134
61114230255
7206032046
oct56550733
925030728
1012243419
116a02731
12412538b
1326c8a36
1418a9c5d
15111ca2e
hexbad1db

12243419 has 8 divisors (see below), whose sum is σ = 12721152. Its totient is φ = 11770920.

The previous prime is 12243403. The next prime is 12243431. The reversal of 12243419 is 91434221.

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

It is a cyclic number.

It is not a de Polignac number, because 12243419 - 24 = 12243403 is a prime.

It is a super-2 number, since 2×122434192 = 299802617619122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12243019) 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, 3842 + ... + 6264.

It is an arithmetic number, because the mean of its divisors is an integer number (1590144).

Almost surely, 212243419 is an apocalyptic number.

12243419 is a deficient number, since it is larger than the sum of its proper divisors (477733).

12243419 is a wasteful number, since it uses less digits than its factorization.

12243419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2617.

The product of its digits is 1728, while the sum is 26.

The square root of 12243419 is about 3499.0597308420. The cubic root of 12243419 is about 230.4805265536.

The spelling of 12243419 in words is "twelve million, two hundred forty-three thousand, four hundred nineteen".

Divisors: 1 31 163 2423 5053 75113 394949 12243419