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1321368 = 23355057
BaseRepresentation
bin101000010100110011000
32111010120120
411002212120
5314240433
644153240
714142246
oct5024630
92433516
101321368
11822844
12538820
13373599
14265796
151b17b3
hex142998

1321368 has 16 divisors (see below), whose sum is σ = 3303480. Its totient is φ = 440448.

The previous prime is 1321363. The next prime is 1321379. The reversal of 1321368 is 8631231.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 55057 = 1321368 / (1 + 3 + 2 + 1 + 3 + 6 + 8).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321363) 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, 27505 + ... + 27552.

21321368 is an apocalyptic number.

It is an amenable number.

1321368 is an abundant number, since it is smaller than the sum of its proper divisors (1982112).

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

1321368 is a wasteful number, since it uses less digits than its factorization.

1321368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55066 (or 55062 counting only the distinct ones).

The product of its digits is 864, while the sum is 24.

The square root of 1321368 is about 1149.5077207222. The cubic root of 1321368 is about 109.7340129923.

Adding to 1321368 its reverse (8631231), we get a palindrome (9952599).

The spelling of 1321368 in words is "one million, three hundred twenty-one thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 12 24 55057 110114 165171 220228 330342 440456 660684 1321368