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10212204 = 223851017
BaseRepresentation
bin100110111101…
…001101101100
3201012211111210
4212331031230
510103242304
61002514420
7152542122
oct46751554
921184453
1010212204
115845642
123505a10
132167332
1414db912
15d6ac89
hex9bd36c

10212204 has 12 divisors (see below), whose sum is σ = 23828504. Its totient is φ = 3404064.

The previous prime is 10212203. The next prime is 10212233. The reversal of 10212204 is 40221201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×102122042 = 208578221075232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 851017 = 10212204 / (1 + 0 + 2 + 1 + 2 + 2 + 0 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 10212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212203) 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, 425497 + ... + 425520.

Almost surely, 210212204 is an apocalyptic number.

It is an amenable number.

10212204 is an abundant number, since it is smaller than the sum of its proper divisors (13616300).

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

10212204 is a wasteful number, since it uses less digits than its factorization.

10212204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851024 (or 851022 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 10212204 is about 3195.6539236907. The cubic root of 10212204 is about 216.9567470264.

Adding to 10212204 its reverse (40221201), we get a palindrome (50433405).

The spelling of 10212204 in words is "ten million, two hundred twelve thousand, two hundred four".

Divisors: 1 2 3 4 6 12 851017 1702034 2553051 3404068 5106102 10212204