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140976071 = 293481147
BaseRepresentation
bin10000110011100…
…01111111000111
3100211021022210222
420121301333013
5242042213241
621553334555
73331163645
oct1031617707
9324238728
10140976071
1172639455
123b26745b
132328c6c2
1414a1a195
15c59aa4b
hex8671fc7

140976071 has 4 divisors (see below), whose sum is σ = 141457512. Its totient is φ = 140494632.

The previous prime is 140976041. The next prime is 140976079. The reversal of 140976071 is 170679041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 140976071 - 222 = 136781767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140976079) 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, 240281 + ... + 240866.

It is an arithmetic number, because the mean of its divisors is an integer number (35364378).

Almost surely, 2140976071 is an apocalyptic number.

140976071 is a deficient number, since it is larger than the sum of its proper divisors (481441).

140976071 is an equidigital number, since it uses as much as digits as its factorization.

140976071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481440.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 140976071 is about 11873.3344516189. The cubic root of 140976071 is about 520.4533410978.

The spelling of 140976071 in words is "one hundred forty million, nine hundred seventy-six thousand, seventy-one".

Divisors: 1 293 481147 140976071