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580115493 = 3331693089
BaseRepresentation
bin100010100100111…
…101110000100101
31111102120220212000
4202210331300211
52142002143433
6133321515513
720242620546
oct4244756045
91442526760
10580115493
112785073a1
12142342b99
1393255c09
145708c4cd
1535de1113
hex2293dc25

580115493 has 16 divisors (see below), whose sum is σ = 887155200. Its totient is φ = 374267520.

The previous prime is 580115479. The next prime is 580115509. The reversal of 580115493 is 394511085.

580115493 is a `hidden beast` number, since 58 + 0 + 115 + 493 = 666.

It is not a de Polignac number, because 580115493 - 25 = 580115461 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580115093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345708 + ... + 347381.

It is an arithmetic number, because the mean of its divisors is an integer number (55447200).

Almost surely, 2580115493 is an apocalyptic number.

It is an amenable number.

580115493 is a deficient number, since it is larger than the sum of its proper divisors (307039707).

580115493 is a wasteful number, since it uses less digits than its factorization.

580115493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693129 (or 693123 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 580115493 is about 24085.5868311320. The cubic root of 580115493 is about 834.0104418754.

It can be divided in two parts, 58011 and 5493, that added together give a square (63504 = 2522).

The spelling of 580115493 in words is "five hundred eighty million, one hundred fifteen thousand, four hundred ninety-three".

Divisors: 1 3 9 27 31 93 279 837 693089 2079267 6237801 18713403 21485759 64457277 193371831 580115493