Search a number
-
+
58858885 = 553222109
BaseRepresentation
bin1110000010000…
…1110110000101
311002202100012201
43200201312011
5110031441020
65501314501
71313202151
oct340416605
9132670181
1058858885
1130251608
1217865a31
13c26a757
147b62061
155279a0a
hex3821d85

58858885 has 8 divisors (see below), whose sum is σ = 71963640. Its totient is φ = 46198464.

The previous prime is 58858883. The next prime is 58858889. The reversal of 58858885 is 58885885.

It can be written as a sum of positive squares in 4 ways, for example, as 16048036 + 42810849 = 4006^2 + 6543^2 .

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 58858885 - 21 = 58858883 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58858883) 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 7 ways as a sum of consecutive naturals, for example, 110790 + ... + 111319.

It is an arithmetic number, because the mean of its divisors is an integer number (8995455).

Almost surely, 258858885 is an apocalyptic number.

It is an amenable number.

58858885 is a deficient number, since it is larger than the sum of its proper divisors (13104755).

58858885 is a wasteful number, since it uses less digits than its factorization.

58858885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222167.

The product of its digits is 4096000, while the sum is 55.

The square root of 58858885 is about 7671.9544445988. The cubic root of 58858885 is about 388.9890208218.

Subtracting 58858885 from its reverse (58885885), we obtain a cube (27000 = 303).

It can be divided in two parts, 5885 and 8885, that multiplied together give a palindrome (52288225).

The spelling of 58858885 in words is "fifty-eight million, eight hundred fifty-eight thousand, eight hundred eighty-five".

Divisors: 1 5 53 265 222109 1110545 11771777 58858885