Search a number
-
+
1229208 = 23351217
BaseRepresentation
bin100101100000110011000
32022110011020
410230012120
5303313313
642202440
713306461
oct4540630
92273136
101229208
1176a582
124b3420
13340656
1423dd68
15194323
hex12c198

1229208 has 16 divisors (see below), whose sum is σ = 3073080. Its totient is φ = 409728.

The previous prime is 1229203. The next prime is 1229209. The reversal of 1229208 is 8029221.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 51217 = 1229208 / (1 + 2 + 2 + 9 + 2 + 0 + 8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1229201) 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, 25585 + ... + 25632.

21229208 is an apocalyptic number.

It is an amenable number.

1229208 is an abundant number, since it is smaller than the sum of its proper divisors (1843872).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1229208 is a wasteful number, since it uses less digits than its factorization.

1229208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51226 (or 51222 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 1229208 is about 1108.6965319690. The cubic root of 1229208 is about 107.1211252432.

The spelling of 1229208 in words is "one million, two hundred twenty-nine thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 24 51217 102434 153651 204868 307302 409736 614604 1229208