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253104153 = 384368051
BaseRepresentation
bin11110001011000…
…01000000011001
3122122021000121220
433011201000121
51004243313103
641040522253
76162230661
oct1705410031
9578230556
10253104153
1111a963995
1270920389
134058b593
14258871a1
1517348c53
hexf161019

253104153 has 4 divisors (see below), whose sum is σ = 337472208. Its totient is φ = 168736100.

The previous prime is 253104139. The next prime is 253104191. The reversal of 253104153 is 351401352.

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 a de Polignac number, because none of the positive numbers 2k-253104153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253104053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42184023 + ... + 42184028.

It is an arithmetic number, because the mean of its divisors is an integer number (84368052).

Almost surely, 2253104153 is an apocalyptic number.

It is an amenable number.

253104153 is a deficient number, since it is larger than the sum of its proper divisors (84368055).

253104153 is an equidigital number, since it uses as much as digits as its factorization.

253104153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84368054.

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 253104153 is about 15909.2474052043. The cubic root of 253104153 is about 632.5571325333.

The spelling of 253104153 in words is "two hundred fifty-three million, one hundred four thousand, one hundred fifty-three".

Divisors: 1 3 84368051 253104153