Search a number
-
+
202712133 = 31323225989
BaseRepresentation
bin11000001010100…
…10010001000101
3112010102211202210
430011102101011
5403343242013
632040454033
75011011321
oct1405222105
9463384683
10202712133
11a4475698
1257a7a319
1332cc6910
141ccca981
1512be2cc3
hexc152445

202712133 has 16 divisors (see below), whose sum is σ = 303730560. Its totient is φ = 119321664.

The previous prime is 202712119. The next prime is 202712143. The reversal of 202712133 is 331217202.

It is not a de Polignac number, because 202712133 - 28 = 202711877 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202712143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112098 + ... + 113891.

It is an arithmetic number, because the mean of its divisors is an integer number (18983160).

Almost surely, 2202712133 is an apocalyptic number.

202712133 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

202712133 is a deficient number, since it is larger than the sum of its proper divisors (101018427).

202712133 is a wasteful number, since it uses less digits than its factorization.

202712133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226028.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 202712133 is about 14237.7011135927. The cubic root of 202712133 is about 587.4351295810.

Adding to 202712133 its reverse (331217202), we get a palindrome (533929335).

The spelling of 202712133 in words is "two hundred two million, seven hundred twelve thousand, one hundred thirty-three".

Divisors: 1 3 13 23 39 69 299 897 225989 677967 2937857 5197747 8813571 15593241 67570711 202712133