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140428410 = 23520632269
BaseRepresentation
bin10000101111011…
…00010001111010
3100210020111120020
420113230101322
5241422202120
621533511310
73323423163
oct1027542172
9323214506
10140428410
11722a4a41
123b042536
132312a345
141491676a
15c4dd640
hex85ec47a

140428410 has 32 divisors (see below), whose sum is σ = 337340160. Its totient is φ = 37412928.

The previous prime is 140428399. The next prime is 140428417. The reversal of 140428410 is 14824041.

140428410 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (140428417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60756 + ... + 63024.

It is an arithmetic number, because the mean of its divisors is an integer number (10541880).

Almost surely, 2140428410 is an apocalyptic number.

140428410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140428410 is an abundant number, since it is smaller than the sum of its proper divisors (196911750).

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

140428410 is a wasteful number, since it uses less digits than its factorization.

140428410 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4342.

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 140428410 is about 11850.2493644649. The cubic root of 140428410 is about 519.7785176109.

The spelling of 140428410 in words is "one hundred forty million, four hundred twenty-eight thousand, four hundred ten".

Divisors: 1 2 3 5 6 10 15 30 2063 2269 4126 4538 6189 6807 10315 11345 12378 13614 20630 22690 30945 34035 61890 68070 4680947 9361894 14042841 23404735 28085682 46809470 70214205 140428410