Search a number
-
+
10203129 = 321133681
BaseRepresentation
bin100110111010…
…111111111001
3201012101001200
4212322333321
510103000004
61002404413
7152503506
oct46727771
921171050
1010203129
115839842
123500709
132163171
1414d84ad
15d68239
hex9baff9

10203129 has 6 divisors (see below), whose sum is σ = 14737866. Its totient is φ = 6802080.

The previous prime is 10203119. The next prime is 10203181. The reversal of 10203129 is 92130201.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9162729 + 1040400 = 3027^2 + 1020^2 .

It is not a de Polignac number, because 10203129 - 24 = 10203113 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (10203119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 566832 + ... + 566849.

It is an arithmetic number, because the mean of its divisors is an integer number (2456311).

Almost surely, 210203129 is an apocalyptic number.

It is an amenable number.

10203129 is a deficient number, since it is larger than the sum of its proper divisors (4534737).

10203129 is a wasteful number, since it uses less digits than its factorization.

10203129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133687 (or 1133684 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 10203129 is about 3194.2337109235. The cubic root of 10203129 is about 216.8924623079.

The spelling of 10203129 in words is "ten million, two hundred three thousand, one hundred twenty-nine".

Divisors: 1 3 9 1133681 3401043 10203129