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1376081 = 7196583
BaseRepresentation
bin101001111111101010001
32120220121222
411033331101
5323013311
645254425
714460620
oct5177521
92526558
101376081
1185a963
12564415
13392465
1427b6b7
151c2adb
hex14ff51

1376081 has 4 divisors (see below), whose sum is σ = 1572672. Its totient is φ = 1179492.

The previous prime is 1376077. The next prime is 1376093. The reversal of 1376081 is 1806731.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1806731 = 4342017.

It is a cyclic number.

It is not a de Polignac number, because 1376081 - 22 = 1376077 is a prime.

It is a super-2 number, since 2×13760812 = 3787197837122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1376081.

It is not an unprimeable number, because it can be changed into a prime (1376071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98285 + ... + 98298.

It is an arithmetic number, because the mean of its divisors is an integer number (393168).

21376081 is an apocalyptic number.

It is an amenable number.

1376081 is a deficient number, since it is larger than the sum of its proper divisors (196591).

1376081 is an equidigital number, since it uses as much as digits as its factorization.

1376081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196590.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 1376081 is about 1173.0647893446. The cubic root of 1376081 is about 111.2281377736.

The spelling of 1376081 in words is "one million, three hundred seventy-six thousand, eighty-one".

Divisors: 1 7 196583 1376081