[go: up one dir, main page]

Search a number
-
+
140112750 = 23531271471
BaseRepresentation
bin10000101100111…
…11001101101110
3100202122110120010
420112133031232
5241332102000
621523034050
73320636661
oct1026371556
9322573503
10140112750
11720a9868
123ab0b926
132304976b
14148736d8
15c479d50
hex859f36e

140112750 has 64 divisors (see below), whose sum is σ = 352714752. Its totient is φ = 37044000.

The previous prime is 140112737. The next prime is 140112751. The reversal of 140112750 is 57211041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140112751) 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, 94515 + ... + 95985.

It is an arithmetic number, because the mean of its divisors is an integer number (5511168).

Almost surely, 2140112750 is an apocalyptic number.

140112750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140112750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176357376).

140112750 is an abundant number, since it is smaller than the sum of its proper divisors (212602002).

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

140112750 is a wasteful number, since it uses less digits than its factorization.

140112750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1618 (or 1608 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 140112750 is about 11836.9231644038. The cubic root of 140112750 is about 519.3887665217.

Adding to 140112750 its reverse (57211041), we get a palindrome (197323791).

It can be divided in two parts, 14011 and 2750, that added together give a palindrome (16761).

The spelling of 140112750 in words is "one hundred forty million, one hundred twelve thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 25 30 50 75 125 127 150 250 254 375 381 635 750 762 1270 1471 1905 2942 3175 3810 4413 6350 7355 8826 9525 14710 15875 19050 22065 31750 36775 44130 47625 73550 95250 110325 183875 186817 220650 367750 373634 551625 560451 934085 1103250 1120902 1868170 2802255 4670425 5604510 9340850 14011275 23352125 28022550 46704250 70056375 140112750