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14257361 = 97714593
BaseRepresentation
bin110110011000…
…110011010001
3222211100102102
4312120303101
512122213421
61225330145
7232120436
oct66306321
928740372
1014257361
118058848
124936955
132c52611
141c71b8d
1513b960b
hexd98cd1

14257361 has 4 divisors (see below), whose sum is σ = 14272932. Its totient is φ = 14241792.

The previous prime is 14257343. The next prime is 14257421. The reversal of 14257361 is 16375241.

14257361 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 an emirpimes, since its reverse is a distinct semiprime: 16375241 = 23711967.

It can be written as a sum of positive squares in 2 ways, for example, as 7392961 + 6864400 = 2719^2 + 2620^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14257361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14257301) 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, 6320 + ... + 8273.

It is an arithmetic number, because the mean of its divisors is an integer number (3568233).

Almost surely, 214257361 is an apocalyptic number.

It is an amenable number.

14257361 is a deficient number, since it is larger than the sum of its proper divisors (15571).

14257361 is an equidigital number, since it uses as much as digits as its factorization.

14257361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15570.

The product of its digits is 5040, while the sum is 29.

The square root of 14257361 is about 3775.8920800256. The cubic root of 14257361 is about 242.4821172203.

The spelling of 14257361 in words is "fourteen million, two hundred fifty-seven thousand, three hundred sixty-one".

Divisors: 1 977 14593 14257361