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58013257 = 612294153
BaseRepresentation
bin1101110101001…
…1011001001001
311001011101020011
43131103121021
5104322411012
65431231521
71303050601
oct335233111
9131141204
1058013257
112a824245
12175185a1
13c032893
1479c1c01
15515e1a7
hex3753649

58013257 has 8 divisors (see below), whose sum is σ = 59236040. Its totient is φ = 56799360.

The previous prime is 58013243. The next prime is 58013261. The reversal of 58013257 is 75231085.

It can be written as a sum of positive squares in 4 ways, for example, as 9801 + 58003456 = 99^2 + 7616^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 58013257 - 211 = 58011209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58013287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11893 + ... + 16045.

It is an arithmetic number, because the mean of its divisors is an integer number (7404505).

Almost surely, 258013257 is an apocalyptic number.

It is an amenable number.

58013257 is a deficient number, since it is larger than the sum of its proper divisors (1222783).

58013257 is a wasteful number, since it uses less digits than its factorization.

58013257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4443.

The product of its (nonzero) digits is 8400, while the sum is 31.

The square root of 58013257 is about 7616.6434208252. The cubic root of 58013257 is about 387.1171538917.

The spelling of 58013257 in words is "fifty-eight million, thirteen thousand, two hundred fifty-seven".

Divisors: 1 61 229 4153 13969 253333 951037 58013257