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1396018 = 21353693
BaseRepresentation
bin101010100110100110010
32121220222101
411110310302
5324133033
645531014
714603011
oct5246462
92556871
101396018
11873938
12573a6a
1339b560
14284a78
151c897d
hex154d32

1396018 has 8 divisors (see below), whose sum is σ = 2255148. Its totient is φ = 644304.

The previous prime is 1396013. The next prime is 1396027. The reversal of 1396018 is 8106931.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1225449 + 170569 = 1107^2 + 413^2 .

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1396013) 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, 26821 + ... + 26872.

21396018 is an apocalyptic number.

1396018 is a deficient number, since it is larger than the sum of its proper divisors (859130).

1396018 is a wasteful number, since it uses less digits than its factorization.

1396018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53708.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1396018 is about 1181.5320562727. The cubic root of 1396018 is about 111.7627311258.

The spelling of 1396018 in words is "one million, three hundred ninety-six thousand, eighteen".

Divisors: 1 2 13 26 53693 107386 698009 1396018