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140232630 = 2354674421
BaseRepresentation
bin10000101101111…
…00011110110110
3100202212120000010
420112330132312
5241344421010
621525401050
73321646326
oct1026743666
9322776003
10140232630
117218093a
123ab69186
132308c1b5
14148a5286
15c4a0620
hex85bc7b6

140232630 has 16 divisors (see below), whose sum is σ = 336558384. Its totient is φ = 37395360.

The previous prime is 140232619. The next prime is 140232637. The reversal of 140232630 is 36232041.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 140232597 and 140232606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140232637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2337181 + ... + 2337240.

It is an arithmetic number, because the mean of its divisors is an integer number (21034899).

Almost surely, 2140232630 is an apocalyptic number.

140232630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140232630 is an abundant number, since it is smaller than the sum of its proper divisors (196325754).

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

140232630 is a wasteful number, since it uses less digits than its factorization.

140232630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4674431.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 140232630 is about 11841.9858976440. The cubic root of 140232630 is about 519.5368533924.

Adding to 140232630 its reverse (36232041), we get a palindrome (176464671).

It can be divided in two parts, 14023 and 2630, that added together give a triangular number (16653 = T182).

The spelling of 140232630 in words is "one hundred forty million, two hundred thirty-two thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 4674421 9348842 14023263 23372105 28046526 46744210 70116315 140232630