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12842423 = 1119431429
BaseRepresentation
bin110000111111…
…010110110111
3220011110111022
4300333112313
511241424143
61135131355
7214105316
oct60772667
926143438
1012842423
117281780
124373b5b
132878589
1419c427d
1511da268
hexc3f5b7

12842423 has 16 divisors (see below), whose sum is σ = 15100800. Its totient is φ = 10795680.

The previous prime is 12842411. The next prime is 12842437. The reversal of 12842423 is 32424821.

It is a cyclic number.

It is not a de Polignac number, because 12842423 - 24 = 12842407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12842392 and 12842401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12842023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8273 + ... + 9701.

It is an arithmetic number, because the mean of its divisors is an integer number (943800).

Almost surely, 212842423 is an apocalyptic number.

12842423 is a deficient number, since it is larger than the sum of its proper divisors (2258377).

12842423 is a wasteful number, since it uses less digits than its factorization.

12842423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its digits is 3072, while the sum is 26.

The square root of 12842423 is about 3583.6326541653. The cubic root of 12842423 is about 234.1795624215.

The spelling of 12842423 in words is "twelve million, eight hundred forty-two thousand, four hundred twenty-three".

Divisors: 1 11 19 43 209 473 817 1429 8987 15719 27151 61447 298661 675917 1167493 12842423