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52658769 = 373832897
BaseRepresentation
bin1100100011100…
…0001001010001
310200002100020210
43020320021101
5101440040034
65120354333
71206410052
oct310701121
9120070223
1052658769
11277a7349
12157759a9
13aba9647
146dca729
1549528e9
hex3238251

52658769 has 16 divisors (see below), whose sum is σ = 72055872. Its totient is φ = 34195968.

The previous prime is 52658761. The next prime is 52658797. The reversal of 52658769 is 96785625.

It is a happy number.

It is not a de Polignac number, because 52658769 - 23 = 52658761 is a prime.

It is a super-2 number, since 2×526587692 = 5545891905190722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52658761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16729 + ... + 19625.

It is an arithmetic number, because the mean of its divisors is an integer number (4503492).

Almost surely, 252658769 is an apocalyptic number.

It is an amenable number.

52658769 is a deficient number, since it is larger than the sum of its proper divisors (19397103).

52658769 is a wasteful number, since it uses less digits than its factorization.

52658769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056.

The product of its digits is 907200, while the sum is 48.

The square root of 52658769 is about 7256.6362041927. The cubic root of 52658769 is about 374.8207000622.

It can be divided in two parts, 526 and 58769, that added together give a palindrome (59295).

The spelling of 52658769 in words is "fifty-two million, six hundred fifty-eight thousand, seven hundred sixty-nine".

Divisors: 1 3 73 83 219 249 2897 6059 8691 18177 211481 240451 634443 721353 17552923 52658769