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580409921 = 7136378131
BaseRepresentation
bin100010100110000…
…101101001000001
31111110010212201202
4202212011221001
52142041104141
6133332110545
720245255130
oct4246055101
91443125652
10580409921
11278698623
12142465455
1393329c30
1457127917
1535e4d49b
hex22985a41

580409921 has 8 divisors (see below), whose sum is σ = 714350784. Its totient is φ = 459225360.

The previous prime is 580409917. The next prime is 580409927. The reversal of 580409921 is 129904085.

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 580409921 - 22 = 580409917 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (580409927) 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, 3188975 + ... + 3189156.

It is an arithmetic number, because the mean of its divisors is an integer number (89293848).

Almost surely, 2580409921 is an apocalyptic number.

It is an amenable number.

580409921 is a deficient number, since it is larger than the sum of its proper divisors (133940863).

580409921 is a wasteful number, since it uses less digits than its factorization.

580409921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6378151.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 580409921 is about 24091.6981759277. The cubic root of 580409921 is about 834.1515140690.

The spelling of 580409921 in words is "five hundred eighty million, four hundred nine thousand, nine hundred twenty-one".

Divisors: 1 7 13 91 6378131 44646917 82915703 580409921