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580397893 = 23103244997
BaseRepresentation
bin100010100110000…
…010101101000101
31111110010021020021
4202212002231011
52142040213033
6133331535141
720245205065
oct4246025505
91443107207
10580397893
1127868a589
1214245a4b1
139332460a
14571233a5
1535e49b2d
hex22982b45

580397893 has 8 divisors (see below), whose sum is σ = 611515008. Its totient is φ = 549771024.

The previous prime is 580397891. The next prime is 580397957. The reversal of 580397893 is 398793085.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 580397893 - 21 = 580397891 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 580397893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (580397891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120130 + ... + 124867.

It is an arithmetic number, because the mean of its divisors is an integer number (76439376).

Almost surely, 2580397893 is an apocalyptic number.

It is an amenable number.

580397893 is a deficient number, since it is larger than the sum of its proper divisors (31117115).

580397893 is a wasteful number, since it uses less digits than its factorization.

580397893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245123.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The square root of 580397893 is about 24091.4485450751. The cubic root of 580397893 is about 834.1457519094.

The spelling of 580397893 in words is "five hundred eighty million, three hundred ninety-seven thousand, eight hundred ninety-three".

Divisors: 1 23 103 2369 244997 5634931 25234691 580397893