Search a number
-
+
58439140 = 2252921957
BaseRepresentation
bin1101111011101…
…1010111100100
311001222000102121
43132323113210
5104430023030
65444315324
71306503334
oct336732744
9131860377
1058439140
112aa95211
12176a2b44
13c151696
147a930c4
1551e547a
hex37bb5e4

58439140 has 12 divisors (see below), whose sum is σ = 122722236. Its totient is φ = 23375648.

The previous prime is 58439111. The next prime is 58439167. The reversal of 58439140 is 4193485.

It can be written as a sum of positive squares in 2 ways, for example, as 6512704 + 51926436 = 2552^2 + 7206^2 .

It is a junction number, because it is equal to n+sod(n) for n = 58439096 and 58439105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1460959 + ... + 1460998.

It is an arithmetic number, because the mean of its divisors is an integer number (10226853).

Almost surely, 258439140 is an apocalyptic number.

It is an amenable number.

58439140 is an abundant number, since it is smaller than the sum of its proper divisors (64283096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

58439140 is a wasteful number, since it uses less digits than its factorization.

58439140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921966 (or 2921964 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 58439140 is about 7644.5496924279. The cubic root of 58439140 is about 388.0621379916.

The spelling of 58439140 in words is "fifty-eight million, four hundred thirty-nine thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 2921957 5843914 11687828 14609785 29219570 58439140