Search a number
-
+
2052131442 = 231918001153
BaseRepresentation
bin111101001010001…
…0000101001110010
312022000110002010020
41322110100221302
513200321201232
6535344144310
7101565554334
oct17224205162
95260402106
102052131442
119634137a9
12493308096
132691ca97a
14156789454
15c025de2c
hex7a510a72

2052131442 has 16 divisors (see below), whose sum is σ = 4320276960. Its totient is φ = 648041472.

The previous prime is 2052131377. The next prime is 2052131447. The reversal of 2052131442 is 2441312502.

It is a super-2 number, since 2×20521314422 = 8422486910489998728, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2052131447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9000463 + ... + 9000690.

It is an arithmetic number, because the mean of its divisors is an integer number (270017310).

Almost surely, 22052131442 is an apocalyptic number.

2052131442 is an abundant number, since it is smaller than the sum of its proper divisors (2268145518).

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

2052131442 is a wasteful number, since it uses less digits than its factorization.

2052131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18001177.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2052131442 is about 45300.4574149092. The cubic root of 2052131442 is about 1270.7742075004.

Adding to 2052131442 its reverse (2441312502), we get a palindrome (4493443944).

The spelling of 2052131442 in words is "two billion, fifty-two million, one hundred thirty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 114 18001153 36002306 54003459 108006918 342021907 684043814 1026065721 2052131442