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140750641 = 1127912479
BaseRepresentation
bin10000110001110…
…10111100110001
3100210211212120201
420120322330301
5242013010031
621544435201
73326234503
oct1030727461
9323755521
10140750641
11724a5049
123b178b01
1323210c05
141499bd73
15c553d61
hex863af31

140750641 has 4 divisors (see below), whose sum is σ = 140774400. Its totient is φ = 140726884.

The previous prime is 140750579. The next prime is 140750647. The reversal of 140750641 is 146057041.

140750641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 140750641 - 27 = 140750513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140750647) 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, 5040 + ... + 17518.

It is an arithmetic number, because the mean of its divisors is an integer number (35193600).

Almost surely, 2140750641 is an apocalyptic number.

It is an amenable number.

140750641 is a deficient number, since it is larger than the sum of its proper divisors (23759).

140750641 is a wasteful number, since it uses less digits than its factorization.

140750641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23758.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 140750641 is about 11863.8375326030. The cubic root of 140750641 is about 520.1757800699.

The spelling of 140750641 in words is "one hundred forty million, seven hundred fifty thousand, six hundred forty-one".

Divisors: 1 11279 12479 140750641