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140513246 = 2193697717
BaseRepresentation
bin10000110000000…
…00111111011110
3100210101210221022
420120000333132
5241432410441
621535404142
73324225416
oct1030007736
9323353838
10140513246
1172352755
123b083652
1323159b43
1414939646
15c50884b
hex8600fde

140513246 has 8 divisors (see below), whose sum is σ = 221863080. Its totient is φ = 66558888.

The previous prime is 140513239. The next prime is 140513249. The reversal of 140513246 is 642315041.

140513246 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140513249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1848821 + ... + 1848896.

It is an arithmetic number, because the mean of its divisors is an integer number (27732885).

Almost surely, 2140513246 is an apocalyptic number.

140513246 is a deficient number, since it is larger than the sum of its proper divisors (81349834).

140513246 is a wasteful number, since it uses less digits than its factorization.

140513246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697738.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 140513246 is about 11853.8283267474. The cubic root of 140513246 is about 519.8831665527.

Adding to 140513246 its reverse (642315041), we get a palindrome (782828287).

The spelling of 140513246 in words is "one hundred forty million, five hundred thirteen thousand, two hundred forty-six".

Divisors: 1 2 19 38 3697717 7395434 70256623 140513246