Search a number
-
+
140230232 = 2330757097
BaseRepresentation
bin10000101101110…
…11111001011000
3100202212102201022
420112323321120
5241344331412
621525342012
73321636332
oct1026737130
9322772638
10140230232
117217a05a
123ab67908
132308b08c
14148a4452
15c49ea72
hex85bbe58

140230232 has 16 divisors (see below), whose sum is σ = 263792760. Its totient is φ = 69885504.

The previous prime is 140230219. The next prime is 140230247. The reversal of 140230232 is 232032041.

It is a self number, because there is not a number n which added to its sum of digits gives 140230232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26093 + ... + 31004.

Almost surely, 2140230232 is an apocalyptic number.

It is an amenable number.

140230232 is a deficient number, since it is larger than the sum of its proper divisors (123562528).

140230232 is a wasteful number, since it uses less digits than its factorization.

140230232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57410 (or 57406 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 140230232 is about 11841.8846473017. The cubic root of 140230232 is about 519.5338919882.

Adding to 140230232 its reverse (232032041), we get a palindrome (372262273).

The spelling of 140230232 in words is "one hundred forty million, two hundred thirty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 307 614 1228 2456 57097 114194 228388 456776 17528779 35057558 70115116 140230232