Search a number
-
+
140591 = 1112781
BaseRepresentation
bin100010010100101111
321010212002
4202110233
513444331
63002515
71123613
oct422457
9233762
10140591
11966a0
126943b
134bcb9
1439343
152b9cb
hex2252f

140591 has 4 divisors (see below), whose sum is σ = 153384. Its totient is φ = 127800.

The previous prime is 140587. The next prime is 140593. The reversal of 140591 is 195041.

140591 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 140591 - 22 = 140587 is a prime.

It is a super-3 number, since 3×1405913 = 8336693113335213, which contains 333 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140591.

It is not an unprimeable number, because it can be changed into a prime (140593) 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, 6380 + ... + 6401.

It is an arithmetic number, because the mean of its divisors is an integer number (38346).

2140591 is an apocalyptic number.

140591 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

140591 is a deficient number, since it is larger than the sum of its proper divisors (12793).

140591 is a wasteful number, since it uses less digits than its factorization.

140591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12792.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 140591 is about 374.9546639262. The cubic root of 140591 is about 51.9979042548.

The spelling of 140591 in words is "one hundred forty thousand, five hundred ninety-one".

Divisors: 1 11 12781 140591