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12949422 = 232158237
BaseRepresentation
bin110001011001…
…011110101110
3220100220021020
4301121132232
511303340142
61141315010
7215032263
oct61313656
926326236
1012949422
117345102
124405a66
1328b51a5
141a1126a
15120bcec
hexc597ae

12949422 has 8 divisors (see below), whose sum is σ = 25898856. Its totient is φ = 4316472.

The previous prime is 12949373. The next prime is 12949429. The reversal of 12949422 is 22494921.

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

12949422 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12949429) 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, 1079113 + ... + 1079124.

It is an arithmetic number, because the mean of its divisors is an integer number (3237357).

Almost surely, 212949422 is an apocalyptic number.

12949422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12949422 is a wasteful number, since it uses less digits than its factorization.

12949422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2158242.

The product of its digits is 10368, while the sum is 33.

The square root of 12949422 is about 3598.5305334261. The cubic root of 12949422 is about 234.8281344859.

The spelling of 12949422 in words is "twelve million, nine hundred forty-nine thousand, four hundred twenty-two".

Divisors: 1 2 3 6 2158237 4316474 6474711 12949422