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140202041 = 720028863
BaseRepresentation
bin10000101101101…
…01000000111001
3100202211000001012
420112311000321
5241342431131
621525003305
73321461210
oct1026650071
9322730035
10140202041
117215a961
123ab53535
132307b2b5
1414898077
15c49652b
hex85b5039

140202041 has 4 divisors (see below), whose sum is σ = 160230912. Its totient is φ = 120173172.

The previous prime is 140202019. The next prime is 140202047.

140202041 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 de Polignac number, because none of the positive numbers 2k-140202041 is a prime.

It is a super-2 number, since 2×1402020412 = 39313224601131362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (140202047) 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, 10014425 + ... + 10014438.

It is an arithmetic number, because the mean of its divisors is an integer number (40057728).

Almost surely, 2140202041 is an apocalyptic number.

It is an amenable number.

140202041 is a deficient number, since it is larger than the sum of its proper divisors (20028871).

140202041 is an equidigital number, since it uses as much as digits as its factorization.

140202041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20028870.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 140202041 is about 11840.6942786308. The cubic root of 140202041 is about 519.4990750511.

It can be divided in two parts, 14020 and 2041, that added together give a palindrome (16061).

The spelling of 140202041 in words is "one hundred forty million, two hundred two thousand, forty-one".

Divisors: 1 7 20028863 140202041