Search a number
-
+
202668894 = 23259190837
BaseRepresentation
bin11000001010001…
…11101101011110
3112010100122110100
430011013231132
5403340401034
632035521530
75010441261
oct1405075536
9463318410
10202668894
11a444615a
1257a592a6
1332cb002c
141ccb8cd8
1512bd5099
hexc147b5e

202668894 has 24 divisors (see below), whose sum is σ = 446560920. Its totient is φ = 66410928.

The previous prime is 202668889. The next prime is 202668899. The reversal of 202668894 is 498866202.

It is an interprime number because it is at equal distance from previous prime (202668889) and next prime (202668899).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202668899) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94357 + ... + 96480.

It is an arithmetic number, because the mean of its divisors is an integer number (18606705).

Almost surely, 2202668894 is an apocalyptic number.

202668894 is an abundant number, since it is smaller than the sum of its proper divisors (243892026).

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

202668894 is a wasteful number, since it uses less digits than its factorization.

202668894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190904 (or 190901 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The square root of 202668894 is about 14236.1825641567. The cubic root of 202668894 is about 587.3933594884.

The spelling of 202668894 in words is "two hundred two million, six hundred sixty-eight thousand, eight hundred ninety-four".

Divisors: 1 2 3 6 9 18 59 118 177 354 531 1062 190837 381674 572511 1145022 1717533 3435066 11259383 22518766 33778149 67556298 101334447 202668894