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58161872 = 247974561
BaseRepresentation
bin1101110111011…
…1101011010000
311001102221002102
43131313223100
5104342134442
65434335532
71304240066
oct335675320
9131387072
1058161872
112a91596a
121758a5a8
13c085412
147a20036
15518d232
hex3777ad0

58161872 has 20 divisors (see below), whose sum is σ = 112854756. Its totient is φ = 29038080.

The previous prime is 58161863. The next prime is 58161893. The reversal of 58161872 is 27816185.

It can be written as a sum of positive squares in 2 ways, for example, as 23775376 + 34386496 = 4876^2 + 5864^2 .

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10472 + ... + 15032.

Almost surely, 258161872 is an apocalyptic number.

It is an amenable number.

58161872 is a deficient number, since it is larger than the sum of its proper divisors (54692884).

58161872 is a wasteful number, since it uses less digits than its factorization.

58161872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5366 (or 5360 counting only the distinct ones).

The product of its digits is 26880, while the sum is 38.

The square root of 58161872 is about 7626.3931186374. The cubic root of 58161872 is about 387.4474367829.

The spelling of 58161872 in words is "fifty-eight million, one hundred sixty-one thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 16 797 1594 3188 4561 6376 9122 12752 18244 36488 72976 3635117 7270234 14540468 29080936 58161872