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58020580 = 2252901029
BaseRepresentation
bin1101110101010…
…1001011100100
311001011202021101
43131111023210
5104323124310
65431325444
71303111132
oct335251344
9131152241
1058020580
112a8297a2
1217520884
13c036007
1479c4752
15516143a
hex37552e4

58020580 has 12 divisors (see below), whose sum is σ = 121843260. Its totient is φ = 23208224.

The previous prime is 58020563. The next prime is 58020581. The reversal of 58020580 is 8502085.

It can be written as a sum of positive squares in 2 ways, for example, as 44595684 + 13424896 = 6678^2 + 3664^2 .

It is not an unprimeable number, because it can be changed into a prime (58020581) 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, 1450495 + ... + 1450534.

It is an arithmetic number, because the mean of its divisors is an integer number (10153605).

Almost surely, 258020580 is an apocalyptic number.

It is an amenable number.

58020580 is an abundant number, since it is smaller than the sum of its proper divisors (63822680).

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

58020580 is a wasteful number, since it uses less digits than its factorization.

58020580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2901038 (or 2901036 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 28.

The square root of 58020580 is about 7617.1241292236. The cubic root of 58020580 is about 387.1334417760.

The spelling of 58020580 in words is "fifty-eight million, twenty thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 2901029 5802058 11604116 14505145 29010290 58020580