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580161085 = 5723720697
BaseRepresentation
bin100010100101001…
…000111000111101
31111102200020101121
4202211020320331
52142010123320
6133322510541
720243200510
oct4245107075
91442606347
10580161085
11278538679
12142365451
13932708aa
14570a0d77
1535dee8aa
hex22948e3d

580161085 has 16 divisors (see below), whose sum is σ = 830244096. Its totient is φ = 380527488.

The previous prime is 580161083. The next prime is 580161133.

580161085 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 580161085 - 21 = 580161083 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 580161085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580161083) 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, 359544 + ... + 361153.

It is an arithmetic number, because the mean of its divisors is an integer number (51890256).

Almost surely, 2580161085 is an apocalyptic number.

It is an amenable number.

580161085 is a deficient number, since it is larger than the sum of its proper divisors (250083011).

580161085 is a wasteful number, since it uses less digits than its factorization.

580161085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720732.

The product of its (nonzero) digits is 9600, while the sum is 34.

The square root of 580161085 is about 24086.5332706888. The cubic root of 580161085 is about 834.0322899432.

The spelling of 580161085 in words is "five hundred eighty million, one hundred sixty-one thousand, eighty-five".

Divisors: 1 5 7 23 35 115 161 805 720697 3603485 5044879 16576031 25224395 82880155 116032217 580161085