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9144901 is a prime number
BaseRepresentation
bin100010111000…
…101001000101
3122012121110001
4202320221011
54320114101
6524001301
7140505343
oct42705105
918177401
109144901
115186777
123090231
131b825ac
141300993
15c09901
hex8b8a45

9144901 has 2 divisors, whose sum is σ = 9144902. Its totient is φ = 9144900.

The previous prime is 9144899. The next prime is 9144911. The reversal of 9144901 is 1094419.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8381025 + 763876 = 2895^2 + 874^2 .

It is a cyclic number.

It is not a de Polignac number, because 9144901 - 21 = 9144899 is a prime.

Together with 9144899, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9144901.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9144911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4572450 + 4572451.

It is an arithmetic number, because the mean of its divisors is an integer number (4572451).

Almost surely, 29144901 is an apocalyptic number.

It is an amenable number.

9144901 is a deficient number, since it is larger than the sum of its proper divisors (1).

9144901 is an equidigital number, since it uses as much as digits as its factorization.

9144901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 9144901 is about 3024.0537362950. The cubic root of 9144901 is about 209.1187637234.

The spelling of 9144901 in words is "nine million, one hundred forty-four thousand, nine hundred one".