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202622142 = 23131925603
BaseRepresentation
bin11000001001111…
…00010010111110
3112010021021022210
430010330102332
5403332402032
632034521250
75010155052
oct1404742276
9463237283
10202622142
11a4414018
1257a36226
1332c94978
141cca5c62
1512bc62cc
hexc13c4be

202622142 has 16 divisors (see below), whose sum is σ = 405567360. Its totient is φ = 67486872.

The previous prime is 202622089. The next prime is 202622153. The reversal of 202622142 is 241226202.

202622142 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 4888 + ... + 20715.

It is an arithmetic number, because the mean of its divisors is an integer number (25347960).

Almost surely, 2202622142 is an apocalyptic number.

202622142 is an abundant number, since it is smaller than the sum of its proper divisors (202945218).

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

202622142 is a wasteful number, since it uses less digits than its factorization.

202622142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26927.

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

The square root of 202622142 is about 14234.5404562283. The cubic root of 202622142 is about 587.3481890534.

Adding to 202622142 its reverse (241226202), we get a palindrome (443848344).

The spelling of 202622142 in words is "two hundred two million, six hundred twenty-two thousand, one hundred forty-two".

Divisors: 1 2 3 6 1319 2638 3957 7914 25603 51206 76809 153618 33770357 67540714 101311071 202622142