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140115828 = 22313218839
BaseRepresentation
bin10000101100111…
…11111101110100
3100202122121210010
420112133331310
5241332201303
621523100220
73320651646
oct1026377564
9322577703
10140115828
1172101106
123ab11670
132304ac98
1414874896
15c47ac03
hex859ff74

140115828 has 24 divisors (see below), whose sum is σ = 327221440. Its totient is φ = 46664640.

The previous prime is 140115799. The next prime is 140115863. The reversal of 140115828 is 828511041.

It is a happy number.

140115828 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1401158282 = 39264890512251168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 140115795 and 140115804.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11433 + ... + 20271.

Almost surely, 2140115828 is an apocalyptic number.

It is an amenable number.

140115828 is an abundant number, since it is smaller than the sum of its proper divisors (187105612).

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

140115828 is a wasteful number, since it uses less digits than its factorization.

140115828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10167 (or 10165 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 140115828 is about 11837.0531805851. The cubic root of 140115828 is about 519.3925698085.

Adding to 140115828 its reverse (828511041), we get a palindrome (968626869).

The spelling of 140115828 in words is "one hundred forty million, one hundred fifteen thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 1321 2642 3963 5284 7926 8839 15852 17678 26517 35356 53034 106068 11676319 23352638 35028957 46705276 70057914 140115828