Search a number
-
+
2231542134 = 232196524977
BaseRepresentation
bin1000010100000010…
…1010000101110110
312202112001002022200
42011000222011312
514032233322014
61005233405330
7106204536513
oct20500520566
95675032280
102231542134
11a457136a8
12523409846
13297426543
1417252c30a
15d0d9ca09
hex8502a176

2231542134 has 24 divisors (see below), whose sum is σ = 5089482840. Its totient is φ = 704697408.

The previous prime is 2231542129. The next prime is 2231542189. The reversal of 2231542134 is 4312451322.

2231542134 is a `hidden beast` number, since 2 + 231 + 5 + 421 + 3 + 4 = 666.

It is a super-3 number, since 3×22315421343 (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231542098 and 2231542107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3262147 + ... + 3262830.

It is an arithmetic number, because the mean of its divisors is an integer number (212061785).

Almost surely, 22231542134 is an apocalyptic number.

2231542134 is an abundant number, since it is smaller than the sum of its proper divisors (2857940706).

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

2231542134 is a wasteful number, since it uses less digits than its factorization.

2231542134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525004 (or 6525001 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 2231542134 is about 47239.2012421887. The cubic root of 2231542134 is about 1306.7776470045. Note that the first 3 decimals are identical.

Adding to 2231542134 its reverse (4312451322), we get a palindrome (6543993456).

The spelling of 2231542134 in words is "two billion, two hundred thirty-one million, five hundred forty-two thousand, one hundred thirty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 342 6524977 13049954 19574931 39149862 58724793 117449586 123974563 247949126 371923689 743847378 1115771067 2231542134