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580004980 = 225171705897
BaseRepresentation
bin100010100100100…
…010110001110100
31111102101022020221
4202210202301310
52141440124410
6133315304124
720241650422
oct4244426164
91442338227
10580004980
11278441365
121422ab044
1393217819
1457060112
1535dbd4da
hex22922c74

580004980 has 24 divisors (see below), whose sum is σ = 1289658888. Its totient is φ = 218354688.

The previous prime is 580004939. The next prime is 580004993. The reversal of 580004980 is 89400085.

It can be written as a sum of positive squares in 4 ways, for example, as 274034916 + 305970064 = 16554^2 + 17492^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 852609 + ... + 853288.

It is an arithmetic number, because the mean of its divisors is an integer number (53735787).

Almost surely, 2580004980 is an apocalyptic number.

It is an amenable number.

580004980 is an abundant number, since it is smaller than the sum of its proper divisors (709653908).

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

580004980 is a wasteful number, since it uses less digits than its factorization.

580004980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705923 (or 1705921 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 580004980 is about 24083.2925489851. The cubic root of 580004980 is about 833.9574783704.

The spelling of 580004980 in words is "five hundred eighty million, four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 1705897 3411794 6823588 8529485 17058970 29000249 34117940 58000498 116000996 145001245 290002490 580004980