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1409231 is a prime number
BaseRepresentation
bin101011000000011001111
32122121002202
411120003033
5330043411
650112115
714656355
oct5300317
92577082
101409231
1188285a
1257b63b
133a4585
142897d5
151cc83b
hex1580cf

1409231 has 2 divisors, whose sum is σ = 1409232. Its totient is φ = 1409230.

The previous prime is 1409227. The next prime is 1409237. The reversal of 1409231 is 1329041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1409231 - 22 = 1409227 is a prime.

It is a super-2 number, since 2×14092312 = 3971864022722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1409237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 704615 + 704616.

It is an arithmetic number, because the mean of its divisors is an integer number (704616).

21409231 is an apocalyptic number.

1409231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1409231 is an equidigital number, since it uses as much as digits as its factorization.

1409231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 1409231 is about 1187.1103571278. The cubic root of 1409231 is about 112.1142276360.

The spelling of 1409231 in words is "one million, four hundred nine thousand, two hundred thirty-one".