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58230281 = 151385631
BaseRepresentation
bin1101111000100…
…0011000001001
311001120101221002
43132020120021
5104401332111
65440024345
71304643404
oct336103011
9131511832
1058230281
112a9622aa
12176020b5
13c0aa5b5
147a3ad3b
1551a363b
hex3788609

58230281 has 4 divisors (see below), whose sum is σ = 58616064. Its totient is φ = 57844500.

The previous prime is 58230259. The next prime is 58230313. The reversal of 58230281 is 18203285.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 58230281 - 26 = 58230217 is a prime.

It is a super-2 number, since 2×582302812 = 6781531250677922, 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 (58230251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192665 + ... + 192966.

It is an arithmetic number, because the mean of its divisors is an integer number (14654016).

Almost surely, 258230281 is an apocalyptic number.

It is an amenable number.

58230281 is a deficient number, since it is larger than the sum of its proper divisors (385783).

58230281 is a wasteful number, since it uses less digits than its factorization.

58230281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385782.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 58230281 is about 7630.8768172472. The cubic root of 58230281 is about 387.5992802847.

The spelling of 58230281 in words is "fifty-eight million, two hundred thirty thousand, two hundred eighty-one".

Divisors: 1 151 385631 58230281