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142101241 = 314583911
BaseRepresentation
bin10000111100001…
…00101011111001
3100220101111020221
420132010223321
5242334214431
622033420041
73343561222
oct1036045371
9326344227
10142101241
1173237847
123b70a621
1323594899
1414c30249
15c71e111
hex8784af9

142101241 has 4 divisors (see below), whose sum is σ = 146685184. Its totient is φ = 137517300.

The previous prime is 142101233. The next prime is 142101251.

It is a happy number.

142101241 is nontrivially palindromic in base 10.

142101241 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.

It is a cyclic number.

It is not a de Polignac number, because 142101241 - 23 = 142101233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142101221) 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, 2291925 + ... + 2291986.

It is an arithmetic number, because the mean of its divisors is an integer number (36671296).

Almost surely, 2142101241 is an apocalyptic number.

It is an amenable number.

142101241 is a deficient number, since it is larger than the sum of its proper divisors (4583943).

142101241 is an equidigital number, since it uses as much as digits as its factorization.

142101241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583942.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 142101241 is about 11920.6225089129. The cubic root of 142101241 is about 521.8343022084.

It can be divided in two parts, 14210 and 1241, that added together give a palindrome (15451).

The spelling of 142101241 in words is "one hundred forty-two million, one hundred one thousand, two hundred forty-one".

Divisors: 1 31 4583911 142101241