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1380326 = 2690163
BaseRepresentation
bin101010000111111100110
32121010110012
411100333212
5323132301
645330222
714506163
oct5207746
92533405
101380326
11863072
12566972
1339437c
1427d06a
151c3ebb
hex150fe6

1380326 has 4 divisors (see below), whose sum is σ = 2070492. Its totient is φ = 690162.

The previous prime is 1380319. The next prime is 1380329. The reversal of 1380326 is 6230831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 345080 + ... + 345083.

It is an arithmetic number, because the mean of its divisors is an integer number (517623).

21380326 is an apocalyptic number.

1380326 is a deficient number, since it is larger than the sum of its proper divisors (690166).

1380326 is an equidigital number, since it uses as much as digits as its factorization.

1380326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690165.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 1380326 is about 1174.8727590680. The cubic root of 1380326 is about 111.3423943128.

The spelling of 1380326 in words is "one million, three hundred eighty thousand, three hundred twenty-six".

Divisors: 1 2 690163 1380326