Search a number
-
+
140234841 = 3323225821
BaseRepresentation
bin10000101101111…
…01000001011001
3100202212200001000
420112331001121
5241400003331
621525415213
73321655635
oct1026750131
9322780030
10140234841
117218256a
123ab6a509
13230901c6
14148a5dc5
15c4a10e6
hex85bd059

140234841 has 16 divisors (see below), whose sum is σ = 216789120. Its totient is φ = 89424720.

The previous prime is 140234827. The next prime is 140234863. The reversal of 140234841 is 148432041.

It is not a de Polignac number, because 140234841 - 221 = 138137689 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (140234881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112290 + ... + 113531.

It is an arithmetic number, because the mean of its divisors is an integer number (13549320).

Almost surely, 2140234841 is an apocalyptic number.

It is an amenable number.

140234841 is a deficient number, since it is larger than the sum of its proper divisors (76554279).

140234841 is a wasteful number, since it uses less digits than its factorization.

140234841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225853 (or 225847 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 140234841 is about 11842.0792515504. The cubic root of 140234841 is about 519.5395838314.

Adding to 140234841 its reverse (148432041), we get a palindrome (288666882).

The spelling of 140234841 in words is "one hundred forty million, two hundred thirty-four thousand, eight hundred forty-one".

Divisors: 1 3 9 23 27 69 207 621 225821 677463 2032389 5193883 6097167 15581649 46744947 140234841