Search a number
-
+
1064209 = 1979709
BaseRepresentation
bin100000011110100010001
32000001211011
410003310101
5233023314
634450521
712021436
oct4036421
92001734
101064209
11667613
12433a41
132b3513
141d9b8d
151604c4
hex103d11

1064209 has 8 divisors (see below), whose sum is σ = 1136000. Its totient is φ = 994032.

The previous prime is 1064201. The next prime is 1064243. The reversal of 1064209 is 9024601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1064209 - 23 = 1064201 is a prime.

It is a super-2 number, since 2×10642092 = 2265081591362, which contains 22 as substring.

It is a Duffinian number.

1064209 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 1064209.

It is not an unprimeable number, because it can be changed into a prime (1064201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1147 + ... + 1855.

It is an arithmetic number, because the mean of its divisors is an integer number (142000).

21064209 is an apocalyptic number.

1064209 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1064209 is a deficient number, since it is larger than the sum of its proper divisors (71791).

1064209 is an equidigital number, since it uses as much as digits as its factorization.

1064209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 1064209 is about 1031.6050600884. The cubic root of 1064209 is about 102.0960584257.

The spelling of 1064209 in words is "one million, sixty-four thousand, two hundred nine".

Divisors: 1 19 79 709 1501 13471 56011 1064209