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1399413 = 31273673
BaseRepresentation
bin101010101101001110101
32122002122010
411111221311
5324240123
645554433
714615631
oct5255165
92562563
101399413
11876444
12575a19
1339cc72
14285dc1
151c9993
hex155a75

1399413 has 8 divisors (see below), whose sum is σ = 1881088. Its totient is φ = 925344.

The previous prime is 1399403. The next prime is 1399417. The reversal of 1399413 is 3149931.

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

It is not a de Polignac number, because 1399413 - 25 = 1399381 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1399417) 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, 1456 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (235136).

21399413 is an apocalyptic number.

It is an amenable number.

1399413 is a deficient number, since it is larger than the sum of its proper divisors (481675).

1399413 is a wasteful number, since it uses less digits than its factorization.

1399413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3803.

The product of its digits is 2916, while the sum is 30.

The square root of 1399413 is about 1182.9678778395. The cubic root of 1399413 is about 111.8532570127.

The spelling of 1399413 in words is "one million, three hundred ninety-nine thousand, four hundred thirteen".

Divisors: 1 3 127 381 3673 11019 466471 1399413