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140430 = 23531151
BaseRepresentation
bin100010010010001110
321010122010
4202102032
513443210
63002050
71123263
oct422216
9233563
10140430
1196564
1269326
134bbc4
143926a
152b920
hex2248e

140430 has 32 divisors (see below), whose sum is σ = 350208. Its totient is φ = 36000.

The previous prime is 140423. The next prime is 140443. The reversal of 140430 is 34041.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

140430 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 855 + ... + 1005.

It is an arithmetic number, because the mean of its divisors is an integer number (10944).

2140430 is an apocalyptic number.

140430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 140430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (175104).

140430 is an abundant number, since it is smaller than the sum of its proper divisors (209778).

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

140430 is a wasteful number, since it uses less digits than its factorization.

140430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 140430 is about 374.7399098041. The cubic root of 140430 is about 51.9780479333.

Adding to 140430 its reverse (34041), we get a palindrome (174471).

The spelling of 140430 in words is "one hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 31 62 93 151 155 186 302 310 453 465 755 906 930 1510 2265 4530 4681 9362 14043 23405 28086 46810 70215 140430