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253259123 = 1319481471
BaseRepresentation
bin11110001100001…
…10110101110011
3122122112220012112
433012012311303
51004313242443
641044115535
76163444535
oct1706066563
9578486175
10253259123
1111aa5a367
1270995bab
1340613c90
14258c7855
1517379b18
hexf186d73

253259123 has 4 divisors (see below), whose sum is σ = 272740608. Its totient is φ = 233777640.

The previous prime is 253259107. The next prime is 253259147. The reversal of 253259123 is 321952352.

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

It is a cyclic number.

It is not a de Polignac number, because 253259123 - 24 = 253259107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 253259123.

It is not an unprimeable number, because it can be changed into a prime (253259423) 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, 9740723 + ... + 9740748.

It is an arithmetic number, because the mean of its divisors is an integer number (68185152).

Almost surely, 2253259123 is an apocalyptic number.

253259123 is a deficient number, since it is larger than the sum of its proper divisors (19481485).

253259123 is a wasteful number, since it uses less digits than its factorization.

253259123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19481484.

The product of its digits is 16200, while the sum is 32.

The square root of 253259123 is about 15914.1170977218. The cubic root of 253259123 is about 632.6862063788.

The spelling of 253259123 in words is "two hundred fifty-three million, two hundred fifty-nine thousand, one hundred twenty-three".

Divisors: 1 13 19481471 253259123