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1396441 = 13710193
BaseRepresentation
bin101010100111011011001
32121221120001
411110323121
5324141231
645533001
714604154
oct5247331
92557501
101396441
11874192
12574161
1339b7c7
14284c9b
151c8b61
hex154ed9

1396441 has 4 divisors (see below), whose sum is σ = 1406772. Its totient is φ = 1386112.

The previous prime is 1396433. The next prime is 1396453. The reversal of 1396441 is 1446931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1446931 = 4135291.

It can be written as a sum of positive squares in 2 ways, for example, as 912025 + 484416 = 955^2 + 696^2 .

It is a cyclic number.

It is not a de Polignac number, because 1396441 - 23 = 1396433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1396411) 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, 4960 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (351693).

21396441 is an apocalyptic number.

It is an amenable number.

1396441 is a deficient number, since it is larger than the sum of its proper divisors (10331).

1396441 is a wasteful number, since it uses less digits than its factorization.

1396441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10330.

The product of its digits is 2592, while the sum is 28.

The square root of 1396441 is about 1181.7110475916. The cubic root of 1396441 is about 111.7740181964.

The spelling of 1396441 in words is "one million, three hundred ninety-six thousand, four hundred forty-one".

Divisors: 1 137 10193 1396441