Search a number
-
+
140187560 = 2353504689
BaseRepresentation
bin10000101101100…
…01011110101000
3100202210021011212
420112301132220
5241342000220
621524412252
73321401042
oct1026613650
9322707155
10140187560
117214aa97
123ab47088
1323074826
1414892a92
15c4920c5
hex85b17a8

140187560 has 16 divisors (see below), whose sum is σ = 315422100. Its totient is φ = 56075008.

The previous prime is 140187557. The next prime is 140187587. The reversal of 140187560 is 65781041.

It is a happy number.

140187560 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 132756484 + 7431076 = 11522^2 + 2726^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1752305 + ... + 1752384.

Almost surely, 2140187560 is an apocalyptic number.

140187560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140187560 is an abundant number, since it is smaller than the sum of its proper divisors (175234540).

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

140187560 is a wasteful number, since it uses less digits than its factorization.

140187560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504700 (or 3504696 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 140187560 is about 11840.0827699810. The cubic root of 140187560 is about 519.4811886612.

The spelling of 140187560 in words is "one hundred forty million, one hundred eighty-seven thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 3504689 7009378 14018756 17523445 28037512 35046890 70093780 140187560