Search a number
BaseRepresentation
bin100111010111…
…100101001001
3201102022122200
4213113211021
510120221301
61005110413
7153502023
oct47274511
921368580
1010320201
1159097a1
123558409
1321a4538
141529013
15d8cc86
hex9d7949

10320201 has 12 divisors (see below), whose sum is σ = 15421380. Its totient is φ = 6642720.

The previous prime is 10320199. The next prime is 10320203. The reversal of 10320201 is 10202301.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (10320199) and next prime (10320203).

It can be written as a sum of positive squares in 2 ways, for example, as 1904400 + 8415801 = 1380^2 + 2901^2 .

It is not a de Polignac number, because 10320201 - 21 = 10320199 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (10320203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19510 + ... + 20031.

It is an arithmetic number, because the mean of its divisors is an integer number (1285115).

Almost surely, 210320201 is an apocalyptic number.

It is an amenable number.

10320201 is a deficient number, since it is larger than the sum of its proper divisors (5101179).

10320201 is a wasteful number, since it uses less digits than its factorization.

10320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39576 (or 39573 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10320201 is about 3212.5069649730. The cubic root of 10320201 is about 217.7188601571.

Adding to 10320201 its reverse (10202301), we get a palindrome (20522502).

The spelling of 10320201 in words is "ten million, three hundred twenty thousand, two hundred one".