Search a number
-
+
10101225 = 352134683
BaseRepresentation
bin100110100010…
…000111101001
3201000012021110
4212202013221
510041214400
61000300533
7151600431
oct46420751
921005243
1010101225
11577a222
123471749
132128974
1414ad2c1
15d47e50
hex9a21e9

10101225 has 12 divisors (see below), whose sum is σ = 16700816. Its totient is φ = 5387280.

The previous prime is 10101197. The next prime is 10101227. The reversal of 10101225 is 52210101.

It is not a de Polignac number, because 10101225 - 27 = 10101097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10101225.

It is not an unprimeable number, because it can be changed into a prime (10101227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67267 + ... + 67416.

Almost surely, 210101225 is an apocalyptic number.

10101225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10101225 is a deficient number, since it is larger than the sum of its proper divisors (6599591).

10101225 is a wasteful number, since it uses less digits than its factorization.

10101225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134696 (or 134691 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 12.

The square root of 10101225 is about 3178.2424388331. The cubic root of 10101225 is about 216.1679720521.

Adding to 10101225 its reverse (52210101), we get a palindrome (62311326).

The spelling of 10101225 in words is "ten million, one hundred one thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 134683 404049 673415 2020245 3367075 10101225