Search a number
-
+
140423710 = 25721791601
BaseRepresentation
bin10000101111010…
…11001000011110
3100210020021010011
420113223020132
5241422024320
621533433434
73323403400
oct1027531036
9323207104
10140423710
11722a1459
123b03b87a
132312816b
1414914b70
15c4dc05a
hex85eb21e

140423710 has 48 divisors (see below), whose sum is σ = 295857360. Its totient is φ = 47846400.

The previous prime is 140423693. The next prime is 140423743. The reversal of 140423710 is 17324041.

140423710 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 86910 + ... + 88510.

It is an arithmetic number, because the mean of its divisors is an integer number (6163695).

Almost surely, 2140423710 is an apocalyptic number.

140423710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140423710 is an abundant number, since it is smaller than the sum of its proper divisors (155433650).

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

140423710 is a wasteful number, since it uses less digits than its factorization.

140423710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1801 (or 1794 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 140423710 is about 11850.0510547423. The cubic root of 140423710 is about 519.7727187219.

Adding to 140423710 its reverse (17324041), we get a palindrome (157747751).

The spelling of 140423710 in words is "one hundred forty million, four hundred twenty-three thousand, seven hundred ten".

Divisors: 1 2 5 7 10 14 35 49 70 98 179 245 358 490 895 1253 1601 1790 2506 3202 6265 8005 8771 11207 12530 16010 17542 22414 43855 56035 78449 87710 112070 156898 286579 392245 573158 784490 1432895 2006053 2865790 4012106 10030265 14042371 20060530 28084742 70211855 140423710