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1373485 = 5274697
BaseRepresentation
bin101001111010100101101
32120210001211
411033110231
5322422420
645234421
714450221
oct5172455
92523054
101373485
11858a13
12562a11
13391219
1427a781
151c1e5a
hex14f52d

1373485 has 4 divisors (see below), whose sum is σ = 1648188. Its totient is φ = 1098784.

The previous prime is 1373483. The next prime is 1373497. The reversal of 1373485 is 5843731.

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 1075369 + 298116 = 1037^2 + 546^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373485 - 21 = 1373483 is a prime.

It is a super-2 number, since 2×13734852 = 3772922090450, 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 (1373483) 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, 137344 + ... + 137353.

It is an arithmetic number, because the mean of its divisors is an integer number (412047).

21373485 is an apocalyptic number.

It is an amenable number.

1373485 is a deficient number, since it is larger than the sum of its proper divisors (274703).

1373485 is an equidigital number, since it uses as much as digits as its factorization.

1373485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274702.

The product of its digits is 10080, while the sum is 31.

The square root of 1373485 is about 1171.9577637441. The cubic root of 1373485 is about 111.1581491581.

The spelling of 1373485 in words is "one million, three hundred seventy-three thousand, four hundred eighty-five".

Divisors: 1 5 274697 1373485