Search a number
-
+
141428201 = 1131251577
BaseRepresentation
bin10000110111000…
…00010111101001
3100212010022000112
420123200113221
5242201200301
622011144105
73335056055
oct1033402751
9325108015
10141428201
1172918112
123b445035
13233ba435
1414ad6c65
15c6399bb
hex86e05e9

141428201 has 4 divisors (see below), whose sum is σ = 142679892. Its totient is φ = 140176512.

The previous prime is 141428197. The next prime is 141428207. The reversal of 141428201 is 102824141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102824141 = 714689163.

It can be written as a sum of positive squares in 2 ways, for example, as 57229225 + 84198976 = 7565^2 + 9176^2 .

It is a cyclic number.

It is not a de Polignac number, because 141428201 - 22 = 141428197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141428207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 625676 + ... + 625901.

It is an arithmetic number, because the mean of its divisors is an integer number (35669973).

Almost surely, 2141428201 is an apocalyptic number.

It is an amenable number.

141428201 is a deficient number, since it is larger than the sum of its proper divisors (1251691).

141428201 is a wasteful number, since it uses less digits than its factorization.

141428201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251690.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 141428201 is about 11892.3589333656. The cubic root of 141428201 is about 521.0091362635.

The spelling of 141428201 in words is "one hundred forty-one million, four hundred twenty-eight thousand, two hundred one".

Divisors: 1 113 1251577 141428201