Search a number
-
+
140081343 = 31731251353
BaseRepresentation
bin10000101100101…
…11100010111111
3100202120212110220
420112113202333
5241330100333
621522232423
73320446263
oct1026274277
9322525426
10140081343
1172088206
123aab5713
132303838c
14148660a3
15c4708b3
hex85978bf

140081343 has 32 divisors (see below), whose sum is σ = 205535232. Its totient is φ = 84480000.

The previous prime is 140081327. The next prime is 140081351. The reversal of 140081343 is 343180041.

It is not a de Polignac number, because 140081343 - 24 = 140081327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140081303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396655 + ... + 397007.

It is an arithmetic number, because the mean of its divisors is an integer number (6422976).

Almost surely, 2140081343 is an apocalyptic number.

140081343 is a deficient number, since it is larger than the sum of its proper divisors (65453889).

140081343 is a wasteful number, since it uses less digits than its factorization.

140081343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 140081343 is about 11835.5964361751. The cubic root of 140081343 is about 519.3499557259.

It can be divided in two parts, 14008 and 1343, that added together give a palindrome (15351).

The spelling of 140081343 in words is "one hundred forty million, eighty-one thousand, three hundred forty-three".

Divisors: 1 3 17 31 51 93 251 353 527 753 1059 1581 4267 6001 7781 10943 12801 18003 23343 32829 88603 132277 186031 265809 396831 558093 1506251 2746693 4518753 8240079 46693781 140081343