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1374449 = 5325933
BaseRepresentation
bin101001111100011110001
32120211101112
411033203301
5322440244
645243105
714453066
oct5174361
92524345
101374449
1185970a
12563495
133917ab
1427ac6d
151c239e
hex14f8f1

1374449 has 4 divisors (see below), whose sum is σ = 1400436. Its totient is φ = 1348464.

The previous prime is 1374437. The next prime is 1374473. The reversal of 1374449 is 9444731.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 640000 + 734449 = 800^2 + 857^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1374449 is a prime.

It is a super-2 number, since 2×13744492 = 3778220107202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1374749) 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, 12914 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (350109).

21374449 is an apocalyptic number.

It is an amenable number.

1374449 is a deficient number, since it is larger than the sum of its proper divisors (25987).

1374449 is an equidigital number, since it uses as much as digits as its factorization.

1374449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25986.

The product of its digits is 12096, while the sum is 32.

The square root of 1374449 is about 1172.3689692243. The cubic root of 1374449 is about 111.1841490527.

The spelling of 1374449 in words is "one million, three hundred seventy-four thousand, four hundred forty-nine".

Divisors: 1 53 25933 1374449