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235272869 = 1360130113
BaseRepresentation
bin11100000010111…
…11101010100101
3121101201002200222
432001133222211
5440212212434
635202414125
75554533506
oct1601375245
9541632628
10235272869
11110894a97
1266961345
1339987320
1423364bad
15159c572e
hexe05faa5

235272869 has 8 divisors (see below), whose sum is σ = 253800792. Its totient is φ = 216806400.

The previous prime is 235272811. The next prime is 235272887. The reversal of 235272869 is 968272532.

It can be written as a sum of positive squares in 4 ways, for example, as 84916225 + 150356644 = 9215^2 + 12262^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 235272869 - 216 = 235207333 is a prime.

It is a super-2 number, since 2×2352728692 = 110706645774982322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235272889) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7244 + ... + 22869.

It is an arithmetic number, because the mean of its divisors is an integer number (31725099).

Almost surely, 2235272869 is an apocalyptic number.

It is an amenable number.

235272869 is a deficient number, since it is larger than the sum of its proper divisors (18527923).

235272869 is a wasteful number, since it uses less digits than its factorization.

235272869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30727.

The product of its digits is 362880, while the sum is 44.

The square root of 235272869 is about 15338.6071401545. The cubic root of 235272869 is about 617.3393345767.

The spelling of 235272869 in words is "two hundred thirty-five million, two hundred seventy-two thousand, eight hundred sixty-nine".

Divisors: 1 13 601 7813 30113 391469 18097913 235272869