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2558898385 = 52879177763
BaseRepresentation
bin1001100010000101…
…1011000011010001
320121100000111200021
42120201123003101
520220034222020
61101530023441
7120261164101
oct23041330321
96540014607
102558898385
1110a348225a
125b4b77b81
1331a1b1b74
141a3bc3201
15ee9b21aa
hex9885b0d1

2558898385 has 8 divisors (see below), whose sum is σ = 3071761920. Its totient is φ = 2046396144.

The previous prime is 2558898347. The next prime is 2558898389. The reversal of 2558898385 is 5838988552.

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 2558898385 - 213 = 2558890193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2558898389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74487 + ... + 103276.

It is an arithmetic number, because the mean of its divisors is an integer number (383970240).

Almost surely, 22558898385 is an apocalyptic number.

It is an amenable number.

2558898385 is a deficient number, since it is larger than the sum of its proper divisors (512863535).

2558898385 is a wasteful number, since it uses less digits than its factorization.

2558898385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180647.

The product of its digits is 27648000, while the sum is 61.

The square root of 2558898385 is about 50585.5551022226. Note that the first 3 decimals coincide. The cubic root of 2558898385 is about 1367.7845067769.

The spelling of 2558898385 in words is "two billion, five hundred fifty-eight million, eight hundred ninety-eight thousand, three hundred eighty-five".

Divisors: 1 5 2879 14395 177763 888815 511779677 2558898385