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140800387 = 7131547257
BaseRepresentation
bin10000110010001…
…11000110000011
3100210221101211011
420121013012003
5242021103022
621545501351
73326532520
oct1031070603
9323841734
10140800387
1172529462
123b1a1857
132322a750
14149b2147
15c563977
hex8647183

140800387 has 8 divisors (see below), whose sum is σ = 173292896. Its totient is φ = 111402432.

The previous prime is 140800369. The next prime is 140800399. The reversal of 140800387 is 783008041.

It is a happy number.

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 140800387 - 27 = 140800259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140800367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 773538 + ... + 773719.

It is an arithmetic number, because the mean of its divisors is an integer number (21661612).

Almost surely, 2140800387 is an apocalyptic number.

140800387 is a deficient number, since it is larger than the sum of its proper divisors (32492509).

140800387 is a wasteful number, since it uses less digits than its factorization.

140800387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547277.

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 140800387 is about 11865.9338865510. The cubic root of 140800387 is about 520.2370553773.

The spelling of 140800387 in words is "one hundred forty million, eight hundred thousand, three hundred eighty-seven".

Divisors: 1 7 13 91 1547257 10830799 20114341 140800387