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1370081 = 1783971
BaseRepresentation
bin101001110011111100001
32120121101202
411032133201
5322320311
645210545
714434256
oct5163741
92517352
101370081
118563a9
12560a55
1338c7cb
1427942d
151c0e3b
hex14e7e1

1370081 has 8 divisors (see below), whose sum is σ = 1469664. Its totient is φ = 1272640.

The previous prime is 1370077. The next prime is 1370093. The reversal of 1370081 is 1800731.

1370081 = 1842 + 1852 + ... + 2172.

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

It is a cyclic number.

It is not a de Polignac number, because 1370081 - 22 = 1370077 is a prime.

It is a super-2 number, since 2×13700812 = 3754243893122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1370051) 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, 926 + ... + 1896.

It is an arithmetic number, because the mean of its divisors is an integer number (183708).

21370081 is an apocalyptic number.

It is an amenable number.

1370081 is a deficient number, since it is larger than the sum of its proper divisors (99583).

1370081 is an equidigital number, since it uses as much as digits as its factorization.

1370081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1071.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 1370081 is about 1170.5045920457. The cubic root of 1370081 is about 111.0662429582.

The spelling of 1370081 in words is "one million, three hundred seventy thousand, eighty-one".

Divisors: 1 17 83 971 1411 16507 80593 1370081