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53689023 = 325965447
BaseRepresentation
bin1100110011001…
…1101010111111
310202000200111100
43030303222333
5102221022043
65154424143
71221230523
oct314635277
9122020440
1053689023
11283403a3
1215b92053
13b17a56b
1471b7d83
154aa7cd3
hex3333abf

53689023 has 6 divisors (see below), whose sum is σ = 77550824. Its totient is φ = 35792676.

The previous prime is 53689019. The next prime is 53689033. The reversal of 53689023 is 32098635.

It is not a de Polignac number, because 53689023 - 22 = 53689019 is a prime.

It is a super-2 number, since 2×536890232 = 5765022381389058, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53689033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2982715 + ... + 2982732.

Almost surely, 253689023 is an apocalyptic number.

53689023 is a deficient number, since it is larger than the sum of its proper divisors (23861801).

53689023 is a wasteful number, since it uses less digits than its factorization.

53689023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5965453 (or 5965450 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 53689023 is about 7327.2793723182. The cubic root of 53689023 is about 377.2493501537.

The spelling of 53689023 in words is "fifty-three million, six hundred eighty-nine thousand, twenty-three".

Divisors: 1 3 9 5965447 17896341 53689023