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140241 = 346747
BaseRepresentation
bin100010001111010001
321010101010
4202033101
513441431
63001133
71122603
oct421721
9233333
10140241
1196402
12691a9
134baaa
1439173
152b846
hex223d1

140241 has 4 divisors (see below), whose sum is σ = 186992. Its totient is φ = 93492.

The previous prime is 140237. The next prime is 140249. The reversal of 140241 is 142041.

140241 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

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 not a de Polignac number, because 140241 - 22 = 140237 is a prime.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (140249) 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, 23371 + ... + 23376.

It is an arithmetic number, because the mean of its divisors is an integer number (46748).

2140241 is an apocalyptic number.

It is an amenable number.

140241 is a deficient number, since it is larger than the sum of its proper divisors (46751).

140241 is an equidigital number, since it uses as much as digits as its factorization.

140241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46750.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 140241 is about 374.4876499966. The cubic root of 140241 is about 51.9547189639.

Adding to 140241 its reverse (142041), we get a palindrome (282282).

The spelling of 140241 in words is "one hundred forty thousand, two hundred forty-one", and thus it is an iban number.

Divisors: 1 3 46747 140241