Search a number
-
+
58121139 = 397199729
BaseRepresentation
bin1101110110110…
…1101110110011
311001100212012210
43131231232303
5104334334024
65433423203
71304010246
oct335555663
9131325183
1058121139
112a8982aa
121756ab03
13c06ca0b
147a0d25d
155181129
hex376dbb3

58121139 has 8 divisors (see below), whose sum is σ = 78294160. Its totient is φ = 38347776.

The previous prime is 58121137. The next prime is 58121153. The reversal of 58121139 is 93112185.

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

It is not a de Polignac number, because 58121139 - 21 = 58121137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (58121131) 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, 99574 + ... + 100155.

It is an arithmetic number, because the mean of its divisors is an integer number (9786770).

Almost surely, 258121139 is an apocalyptic number.

58121139 is a deficient number, since it is larger than the sum of its proper divisors (20173021).

58121139 is a wasteful number, since it uses less digits than its factorization.

58121139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199829.

The product of its digits is 2160, while the sum is 30.

The square root of 58121139 is about 7623.7221224281. The cubic root of 58121139 is about 387.3569675370.

The spelling of 58121139 in words is "fifty-eight million, one hundred twenty-one thousand, one hundred thirty-nine".

Divisors: 1 3 97 291 199729 599187 19373713 58121139