Search a number
-
+
140233351 = 193372547
BaseRepresentation
bin10000101101111…
…00101010000111
3100202212120222211
420112330222013
5241344431401
621525404251
73321651406
oct1026745207
9322776884
10140233351
1172181435
123ab69687
132308c61b
14148a563d
15c4a0951
hex85bca87

140233351 has 4 divisors (see below), whose sum is σ = 140307832. Its totient is φ = 140158872.

The previous prime is 140233297. The next prime is 140233361. The reversal of 140233351 is 153332041.

140233351 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140233351 - 217 = 140102279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140233361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34341 + ... + 38206.

It is an arithmetic number, because the mean of its divisors is an integer number (35076958).

Almost surely, 2140233351 is an apocalyptic number.

140233351 is a deficient number, since it is larger than the sum of its proper divisors (74481).

140233351 is an equidigital number, since it uses as much as digits as its factorization.

140233351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74480.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 140233351 is about 11842.0163401340. The cubic root of 140233351 is about 519.5377437829.

Adding to 140233351 its reverse (153332041), we get a palindrome (293565392).

The spelling of 140233351 in words is "one hundred forty million, two hundred thirty-three thousand, three hundred fifty-one".

Divisors: 1 1933 72547 140233351