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53256089 = 416719387
BaseRepresentation
bin1100101100100…
…1111110011001
310201012200121202
43023021332121
5102113143324
65141243545
71214445365
oct313117631
9121180552
1053256089
11280750a7
1215a035b5
13b0584a3
1471042a5
154a1e8ae
hex32c9f99

53256089 has 8 divisors (see below), whose sum is σ = 55372128. Its totient is φ = 51179040.

The previous prime is 53256067. The next prime is 53256097. The reversal of 53256089 is 98065235.

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 53256089 - 224 = 36478873 is a prime.

It is a super-2 number, since 2×532560892 = 5672422031151842, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (53256289) 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, 6947 + ... + 12440.

It is an arithmetic number, because the mean of its divisors is an integer number (6921516).

Almost surely, 253256089 is an apocalyptic number.

It is an amenable number.

53256089 is a deficient number, since it is larger than the sum of its proper divisors (2116039).

53256089 is a wasteful number, since it uses less digits than its factorization.

53256089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19495.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 53256089 is about 7297.6769591425. The cubic root of 53256089 is about 376.2325994977.

The spelling of 53256089 in words is "fifty-three million, two hundred fifty-six thousand, eighty-nine".

Divisors: 1 41 67 2747 19387 794867 1298929 53256089