Search a number
-
+
202320101 = 472671367
BaseRepresentation
bin11000000111100…
…10100011100101
3112002200221000002
430003302203211
5403243220401
632024231045
75004456344
oct1403624345
9462627002
10202320101
11a42280a5
125790b485
1332bba349
141cc27b5b
1512b66a6b
hexc0f28e5

202320101 has 12 divisors (see below), whose sum is σ = 209955168. Its totient is φ = 194917272.

The previous prime is 202320089. The next prime is 202320161. The reversal of 202320101 is 101023202.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2k-202320101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202320161) 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, 147320 + ... + 148686.

It is an arithmetic number, because the mean of its divisors is an integer number (17496264).

Almost surely, 2202320101 is an apocalyptic number.

It is an amenable number.

202320101 is a deficient number, since it is larger than the sum of its proper divisors (7635067).

202320101 is an equidigital number, since it uses as much as digits as its factorization.

202320101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1481 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 202320101 is about 14223.9270597117. The cubic root of 202320101 is about 587.0561981666.

Adding to 202320101 its reverse (101023202), we get a palindrome (303343303).

The spelling of 202320101 in words is "two hundred two million, three hundred twenty thousand, one hundred one".

Divisors: 1 47 67 1367 2209 3149 64249 91589 148003 3019703 4304683 202320101