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1312422 = 23218737
BaseRepresentation
bin101000000011010100110
32110200022020
411000122212
5313444142
644044010
714104206
oct5003246
92420266
101312422
11817051
12533606
1336c4a7
14262406
151adcec
hex1406a6

1312422 has 8 divisors (see below), whose sum is σ = 2624856. Its totient is φ = 437472.

The previous prime is 1312411. The next prime is 1312459. The reversal of 1312422 is 2242131.

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

1312422 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109363 + ... + 109374.

It is an arithmetic number, because the mean of its divisors is an integer number (328107).

21312422 is an apocalyptic number.

1312422 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.

1312422 is a wasteful number, since it uses less digits than its factorization.

1312422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218742.

The product of its digits is 96, while the sum is 15.

The square root of 1312422 is about 1145.6098812423. The cubic root of 1312422 is about 109.4858095495.

Adding to 1312422 its reverse (2242131), we get a palindrome (3554553).

The spelling of 1312422 in words is "one million, three hundred twelve thousand, four hundred twenty-two".

Divisors: 1 2 3 6 218737 437474 656211 1312422