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52805458 = 241643969
BaseRepresentation
bin1100100101101…
…1111101010010
310200100210110201
43021123331102
5102004233313
65123445414
71210560526
oct311337522
9120323421
1052805458
1127897582
121582686a
13ac2b344
147027d86
1549810dd
hex325bf52

52805458 has 8 divisors (see below), whose sum is σ = 81140220. Its totient is φ = 25758720.

The previous prime is 52805453. The next prime is 52805461. The reversal of 52805458 is 85450825.

It can be written as a sum of positive squares in 2 ways, for example, as 52751169 + 54289 = 7263^2 + 233^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52805453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321903 + ... + 322066.

Almost surely, 252805458 is an apocalyptic number.

52805458 is a deficient number, since it is larger than the sum of its proper divisors (28334762).

52805458 is a wasteful number, since it uses less digits than its factorization.

52805458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644012.

The product of its (nonzero) digits is 64000, while the sum is 37.

The square root of 52805458 is about 7266.7364063932. The cubic root of 52805458 is about 375.1684173873.

The spelling of 52805458 in words is "fifty-two million, eight hundred five thousand, four hundred fifty-eight".

Divisors: 1 2 41 82 643969 1287938 26402729 52805458