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140371115 = 528074223
BaseRepresentation
bin10000101110111…
…10010010101011
3100210010120222012
420113132102223
5241413333430
621532350135
73323064143
oct1027362253
9323116865
10140371115
1172265995
123b01534b
132310a241
14148dd923
15c4cb695
hex85de4ab

140371115 has 4 divisors (see below), whose sum is σ = 168445344. Its totient is φ = 112296888.

The previous prime is 140371103. The next prime is 140371117. The reversal of 140371115 is 511173041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 511173041 = 2423210967.

It is a cyclic number.

It is not a de Polignac number, because 140371115 - 26 = 140371051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140371117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14037107 + ... + 14037116.

It is an arithmetic number, because the mean of its divisors is an integer number (42111336).

Almost surely, 2140371115 is an apocalyptic number.

140371115 is a deficient number, since it is larger than the sum of its proper divisors (28074229).

140371115 is an equidigital number, since it uses as much as digits as its factorization.

140371115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28074228.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 140371115 is about 11847.8316581559. The cubic root of 140371115 is about 519.7078178589.

The spelling of 140371115 in words is "one hundred forty million, three hundred seventy-one thousand, one hundred fifteen".

Divisors: 1 5 28074223 140371115