Search a number
-
+
20589003225 = 345271452487
BaseRepresentation
bin10011001011001100…
…110100000111011001
31222010212211201210000
4103023030310013121
5314131241100400
613243005443213
71326133432320
oct231314640731
958125751700
1020589003225
118805a5694a
123ba7270509
131c3172305b
14dd46090b7
15807815600
hex4cb3341d9

20589003225 has 60 divisors (see below), whose sum is σ = 43586259904. Its totient is φ = 9412109280.

The previous prime is 20589003203. The next prime is 20589003271. The reversal of 20589003225 is 52230098502.

20589003225 is a `hidden beast` number, since 20 + 589 + 0 + 0 + 32 + 25 = 666.

It is not a de Polignac number, because 20589003225 - 212 = 20588999129 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 20589003225.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 712069 + ... + 740418.

Almost surely, 220589003225 is an apocalyptic number.

20589003225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20589003225 is an abundant number, since it is smaller than the sum of its proper divisors (22997256679).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20589003225 is a wasteful number, since it uses less digits than its factorization.

20589003225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452516 (or 1452502 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 20589003225 in words is "twenty billion, five hundred eighty-nine million, three thousand, two hundred twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 63 75 81 105 135 175 189 225 315 405 525 567 675 945 1575 2025 2835 4725 14175 1452487 4357461 7262435 10167409 13072383 21787305 30502227 36312175 39217149 50837045 65361915 91506681 108936525 117651447 152511135 196085745 254185225 274520043 326809575 457533405 588257235 762555675 823560129 980428725 1372600215 2287667025 2941286175 4117800645 6863001075 20589003225