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140208371 is a prime number
BaseRepresentation
bin10000101101101…
…10100011110011
3100202211022201122
420112312203303
5241343131441
621525052455
73321515522
oct1026664363
9322738648
10140208371
1172164696
123ab5712b
1323081144
141489a4b9
15c49834b
hex85b68f3

140208371 has 2 divisors, whose sum is σ = 140208372. Its totient is φ = 140208370.

The previous prime is 140208347. The next prime is 140208427. The reversal of 140208371 is 173802041.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-140208371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 140208371.

It is not a weakly prime, because it can be changed into another prime (140208311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70104185 + 70104186.

It is an arithmetic number, because the mean of its divisors is an integer number (70104186).

Almost surely, 2140208371 is an apocalyptic number.

140208371 is a deficient number, since it is larger than the sum of its proper divisors (1).

140208371 is an equidigital number, since it uses as much as digits as its factorization.

140208371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 140208371 is about 11840.9615741290. The cubic root of 140208371 is about 519.5068932436.

The spelling of 140208371 in words is "one hundred forty million, two hundred eight thousand, three hundred seventy-one".