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1356041 = 4213221
BaseRepresentation
bin101001011000100001001
32112220010202
411023010021
5321343131
645021545
714345321
oct5130411
92486122
101356041
118468a5
125548b5
133862bb
14274281
151bbbcb
hex14b109

1356041 has 4 divisors (see below), whose sum is σ = 1359684. Its totient is φ = 1352400.

The previous prime is 1356037. The next prime is 1356053. The reversal of 1356041 is 1406531.

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 395641 + 960400 = 629^2 + 980^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356041 - 22 = 1356037 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1316041) 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, 1190 + ... + 2031.

It is an arithmetic number, because the mean of its divisors is an integer number (339921).

21356041 is an apocalyptic number.

It is an amenable number.

1356041 is a deficient number, since it is larger than the sum of its proper divisors (3643).

1356041 is an equidigital number, since it uses as much as digits as its factorization.

1356041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3642.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1356041 is about 1164.4917346207. The cubic root of 1356041 is about 110.6855532596.

The spelling of 1356041 in words is "one million, three hundred fifty-six thousand, forty-one".

Divisors: 1 421 3221 1356041