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140230101 = 31140110597
BaseRepresentation
bin10000101101110…
…11110111010101
3100202212102112110
420112323313111
5241344330401
621525341233
73321636054
oct1026736725
9322772473
10140230101
1172179a50
123ab67819
132308acbb
14148a439b
15c49e9d6
hex85bbdd5

140230101 has 16 divisors (see below), whose sum is σ = 204499008. Its totient is φ = 84768000.

The previous prime is 140230063. The next prime is 140230121. The reversal of 140230101 is 101032041.

It is a happy number.

It is not a de Polignac number, because 140230101 - 221 = 138132949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140230121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7935 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (12781188).

Almost surely, 2140230101 is an apocalyptic number.

140230101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

140230101 is a deficient number, since it is larger than the sum of its proper divisors (64268907).

140230101 is a wasteful number, since it uses less digits than its factorization.

140230101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 140230101 is about 11841.8791160863. The cubic root of 140230101 is about 519.5337302091.

Adding to 140230101 its reverse (101032041), we get a palindrome (241262142).

The spelling of 140230101 in words is "one hundred forty million, two hundred thirty thousand, one hundred one".

Divisors: 1 3 11 33 401 1203 4411 10597 13233 31791 116567 349701 4249397 12748191 46743367 140230101