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140444041 = 727193183
BaseRepresentation
bin10000101111100…
…00000110001001
3100210021022000011
420113300012021
5241423202131
621534111521
73323516563
oct1027600611
9323238004
10140444041
1172305761
123b04b5a1
13231344aa
141491c333
15c4e30b1
hex85f0189

140444041 has 4 divisors (see below), whose sum is σ = 140637952. Its totient is φ = 140250132.

The previous prime is 140444023. The next prime is 140444077.

It is a happy number.

140444041 is nontrivially palindromic in base 10.

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.

It is a cyclic number.

It is not a de Polignac number, because 140444041 - 25 = 140444009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140444741) 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 3 ways as a sum of consecutive naturals, for example, 95865 + ... + 97318.

It is an arithmetic number, because the mean of its divisors is an integer number (35159488).

Almost surely, 2140444041 is an apocalyptic number.

It is an amenable number.

140444041 is a deficient number, since it is larger than the sum of its proper divisors (193911).

140444041 is an equidigital number, since it uses as much as digits as its factorization.

140444041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193910.

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 140444041 is about 11850.9088680995. The cubic root of 140444041 is about 519.7978023045.

The spelling of 140444041 in words is "one hundred forty million, four hundred forty-four thousand, forty-one".

Divisors: 1 727 193183 140444041