Search a number
-
+
140232245 = 543652243
BaseRepresentation
bin10000101101111…
…00011000110101
3100202212112110212
420112330120311
5241344412440
621525355205
73321645236
oct1026743065
9322775425
10140232245
117218061a
123ab68b05
132308bc7a
14148a508d
15c4a0465
hex85bc635

140232245 has 8 divisors (see below), whose sum is σ = 172192416. Its totient is φ = 109576656.

The previous prime is 140232233. The next prime is 140232263. The reversal of 140232245 is 542232041.

It is a happy number.

140232245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 140232245 - 26 = 140232181 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 140232245.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 325907 + ... + 326336.

It is an arithmetic number, because the mean of its divisors is an integer number (21524052).

Almost surely, 2140232245 is an apocalyptic number.

It is an amenable number.

140232245 is a deficient number, since it is larger than the sum of its proper divisors (31960171).

140232245 is an equidigital number, since it uses as much as digits as its factorization.

140232245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 652291.

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 140232245 is about 11841.9696419135. The cubic root of 140232245 is about 519.5363779399.

Adding to 140232245 its reverse (542232041), we get a palindrome (682464286).

The spelling of 140232245 in words is "one hundred forty million, two hundred thirty-two thousand, two hundred forty-five".

Divisors: 1 5 43 215 652243 3261215 28046449 140232245