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2002230542 = 213231191089
BaseRepresentation
bin111011101010111…
…1001110100001110
312011112112211221202
41313111321310032
513100032334132
6530402425502
7100421451554
oct16725716416
95145484852
102002230542
11938230494
1247a662292
1325ba78700
1414dcb9bd4
15baba3762
hex77579d0e

2002230542 has 24 divisors (see below), whose sum is σ = 3357069120. Its totient is φ = 894291840.

The previous prime is 2002230541. The next prime is 2002230563. The reversal of 2002230542 is 2450322002.

It is a super-2 number, since 2×20022305422 = 8017854286635227528, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002230541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85067 + ... + 106022.

It is an arithmetic number, because the mean of its divisors is an integer number (139877880).

Almost surely, 22002230542 is an apocalyptic number.

2002230542 is a deficient number, since it is larger than the sum of its proper divisors (1354838578).

2002230542 is a wasteful number, since it uses less digits than its factorization.

2002230542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191148 (or 191135 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 2002230542 is about 44746.2908183460. The cubic root of 2002230542 is about 1260.3892603472.

Adding to 2002230542 its reverse (2450322002), we get a palindrome (4452552544).

The spelling of 2002230542 in words is "two billion, two million, two hundred thirty thousand, five hundred forty-two".

Divisors: 1 2 13 26 31 62 169 338 403 806 5239 10478 191089 382178 2484157 4968314 5923759 11847518 32294041 64588082 77008867 154017734 1001115271 2002230542