Search a number
-
+
202238220 = 22353370637
BaseRepresentation
bin11000000110111…
…10100100001100
3112002112202200110
430003132210030
5403233110340
632022400020
75003665542
oct1403364414
9462482613
10202238220
11a4181628
1257890010
1332b8bcb2
141cc05d92
1512b4c680
hexc0de90c

202238220 has 24 divisors (see below), whose sum is σ = 566267184. Its totient is φ = 53930176.

The previous prime is 202238219. The next prime is 202238237. The reversal of 202238220 is 22832202.

202238220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1685259 + ... + 1685378.

It is an arithmetic number, because the mean of its divisors is an integer number (23594466).

Almost surely, 2202238220 is an apocalyptic number.

202238220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202238220 is an abundant number, since it is smaller than the sum of its proper divisors (364028964).

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

202238220 is a wasteful number, since it uses less digits than its factorization.

202238220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3370649 (or 3370647 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 202238220 is about 14221.0484845527. The cubic root of 202238220 is about 586.9769916115.

The spelling of 202238220 in words is "two hundred two million, two hundred thirty-eight thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 3370637 6741274 10111911 13482548 16853185 20223822 33706370 40447644 50559555 67412740 101119110 202238220