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235355525 = 5210986369
BaseRepresentation
bin11100000011100…
…11110110000101
3121101212022002022
432001303312011
5440222334100
635204252525
75555326466
oct1601636605
9541768068
10235355525
111109410a9
12669a1145
13399b5b32
1423386d6d
15159dee85
hexe073d85

235355525 has 12 divisors (see below), whose sum is σ = 294521700. Its totient is φ = 186554880.

The previous prime is 235355521. The next prime is 235355569. The reversal of 235355525 is 525553532.

235355525 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 4133089 + 231222436 = 2033^2 + 15206^2 .

It is not a de Polignac number, because 235355525 - 22 = 235355521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235355521) 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, 40460 + ... + 45909.

It is an arithmetic number, because the mean of its divisors is an integer number (24543475).

Almost surely, 2235355525 is an apocalyptic number.

235355525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

235355525 is a deficient number, since it is larger than the sum of its proper divisors (59166175).

235355525 is a wasteful number, since it uses less digits than its factorization.

235355525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86488 (or 86483 counting only the distinct ones).

The product of its digits is 112500, while the sum is 35.

The square root of 235355525 is about 15341.3012811821. The cubic root of 235355525 is about 617.4116206076.

The spelling of 235355525 in words is "two hundred thirty-five million, three hundred fifty-five thousand, five hundred twenty-five".

Divisors: 1 5 25 109 545 2725 86369 431845 2159225 9414221 47071105 235355525