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253014121 = 972608393
BaseRepresentation
bin11110001010010…
…11000001101001
3122122002110010101
433011023001221
51004232422441
641034545401
76161404333
oct1705130151
9578073111
10253014121
1111a902288
1270898261
13405595c9
1425862453
151732c231
hexf14b069

253014121 has 4 divisors (see below), whose sum is σ = 255622612. Its totient is φ = 250405632.

The previous prime is 253014061. The next prime is 253014133. The reversal of 253014121 is 121410352.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 157854096 + 95160025 = 12564^2 + 9755^2 .

It is a cyclic number.

It is not a de Polignac number, because 253014121 - 211 = 253012073 is a prime.

It is a super-2 number, since 2×2530141212 = 128032290850805282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253014161) 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, 1304100 + ... + 1304293.

It is an arithmetic number, because the mean of its divisors is an integer number (63905653).

Almost surely, 2253014121 is an apocalyptic number.

It is an amenable number.

253014121 is a deficient number, since it is larger than the sum of its proper divisors (2608491).

253014121 is an equidigital number, since it uses as much as digits as its factorization.

253014121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608490.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 253014121 is about 15906.4176042250. The cubic root of 253014121 is about 632.4821210713.

Adding to 253014121 its reverse (121410352), we get a palindrome (374424473).

The spelling of 253014121 in words is "two hundred fifty-three million, fourteen thousand, one hundred twenty-one".

Divisors: 1 97 2608393 253014121