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58978993 = 217927067
BaseRepresentation
bin1110000011111…
…1001010110001
311002222102222011
43200333022301
5110044311433
65504042521
71314212263
oct340771261
9132872864
1058978993
1130323877
1217903441
13c2b0318
147b93b33
1552a03cd
hex383f2b1

58978993 has 4 divisors (see below), whose sum is σ = 59008240. Its totient is φ = 58949748.

The previous prime is 58978981. The next prime is 58979003. The reversal of 58978993 is 39987985.

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 58978993 - 213 = 58970801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58978093) 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, 11355 + ... + 15712.

It is an arithmetic number, because the mean of its divisors is an integer number (14752060).

Almost surely, 258978993 is an apocalyptic number.

It is an amenable number.

58978993 is a deficient number, since it is larger than the sum of its proper divisors (29247).

58978993 is a wasteful number, since it uses less digits than its factorization.

58978993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29246.

The product of its digits is 4898880, while the sum is 58.

The square root of 58978993 is about 7679.7781869010. The cubic root of 58978993 is about 389.2534326135.

The spelling of 58978993 in words is "fifty-eight million, nine hundred seventy-eight thousand, nine hundred ninety-three".

Divisors: 1 2179 27067 58978993