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1380037 = 5872351
BaseRepresentation
bin101010000111011000101
32121010001111
411100323011
5323130122
645325021
714505301
oct5207305
92533044
101380037
1186292a
12566771
133941b9
1427cd01
151c3d77
hex150ec5

1380037 has 4 divisors (see below), whose sum is σ = 1382976. Its totient is φ = 1377100.

The previous prime is 1380031. The next prime is 1380047. The reversal of 1380037 is 7300831.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1380037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1380031) 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, 589 + ... + 1762.

It is an arithmetic number, because the mean of its divisors is an integer number (345744).

21380037 is an apocalyptic number.

It is an amenable number.

1380037 is a deficient number, since it is larger than the sum of its proper divisors (2939).

1380037 is an equidigital number, since it uses as much as digits as its factorization.

1380037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2938.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 1380037 is about 1174.7497605873. The cubic root of 1380037 is about 111.3346231539.

Adding to 1380037 its reverse (7300831), we get a palindrome (8680868).

The spelling of 1380037 in words is "one million, three hundred eighty thousand, thirty-seven".

Divisors: 1 587 2351 1380037