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140242041 = 3215582449
BaseRepresentation
bin10000101101111…
…10110001111001
3100202220000220200
420112332301321
5241400221131
621525512413
73322015632
oct1026766171
9322800820
10140242041
1172187a15
123ab72709
1323093574
14148a8889
15c4a32e6
hex85bec79

140242041 has 6 divisors (see below), whose sum is σ = 202571850. Its totient is φ = 93494688.

The previous prime is 140242033. The next prime is 140242087.

140242041 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 91298025 + 48944016 = 9555^2 + 6996^2 .

It is not a de Polignac number, because 140242041 - 23 = 140242033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (140242241) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7791216 + ... + 7791233.

It is an arithmetic number, because the mean of its divisors is an integer number (33761975).

Almost surely, 2140242041 is an apocalyptic number.

It is an amenable number.

140242041 is a deficient number, since it is larger than the sum of its proper divisors (62329809).

140242041 is a wasteful number, since it uses less digits than its factorization.

140242041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15582455 (or 15582452 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 140242041 is about 11842.3832483162. The cubic root of 140242041 is about 519.5484751572.

The spelling of 140242041 in words is "one hundred forty million, two hundred forty-two thousand, forty-one".

Divisors: 1 3 9 15582449 46747347 140242041