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140603889 = 3172756939
BaseRepresentation
bin10000110000101…
…11000111110001
3100210120102021110
420120113013301
5241443311024
621541343533
73325053606
oct1030270761
9323512243
10140603889
1172404868
123b107ba9
132318c18a
14149606ad
15c525629
hex86171f1

140603889 has 8 divisors (see below), whose sum is σ = 198499680. Its totient is φ = 88222016.

The previous prime is 140603873. The next prime is 140603951. The reversal of 140603889 is 988306041.

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

It is a cyclic number.

It is not a de Polignac number, because 140603889 - 24 = 140603873 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (140603809) 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 7 ways as a sum of consecutive naturals, for example, 1378419 + ... + 1378520.

It is an arithmetic number, because the mean of its divisors is an integer number (24812460).

Almost surely, 2140603889 is an apocalyptic number.

It is an amenable number.

140603889 is a deficient number, since it is larger than the sum of its proper divisors (57895791).

140603889 is a wasteful number, since it uses less digits than its factorization.

140603889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2756959.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 140603889 is about 11857.6510743064. The cubic root of 140603889 is about 519.9949321498.

The spelling of 140603889 in words is "one hundred forty million, six hundred three thousand, eight hundred eighty-nine".

Divisors: 1 3 17 51 2756939 8270817 46867963 140603889