Search a number
-
+
253513053 = 32162117377
BaseRepresentation
bin11110001110001…
…00110101011101
3122200000210112100
433013010311131
51004344404203
641053355313
76165553053
oct1707046535
9580023470
10253513053
11120113122
1270a98b39
13406a2731
14259521d3
15173c9ea3
hexf1c4d5d

253513053 has 12 divisors (see below), whose sum is σ = 366432508. Its totient is φ = 168894720.

The previous prime is 253513031. The next prime is 253513069. The reversal of 253513053 is 350315352.

253513053 is a `hidden beast` number, since 2 + 5 + 351 + 305 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94828644 + 158684409 = 9738^2 + 12597^2 .

It is not a de Polignac number, because 253513053 - 25 = 253513021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253513003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5901 + ... + 23277.

Almost surely, 2253513053 is an apocalyptic number.

It is an amenable number.

253513053 is a deficient number, since it is larger than the sum of its proper divisors (112919455).

253513053 is a wasteful number, since it uses less digits than its factorization.

253513053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19004 (or 19001 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 253513053 is about 15922.0932355014. The cubic root of 253513053 is about 632.8975898054.

The spelling of 253513053 in words is "two hundred fifty-three million, five hundred thirteen thousand, fifty-three".

Divisors: 1 3 9 1621 4863 14589 17377 52131 156393 28168117 84504351 253513053