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201585080 = 2351492227
BaseRepresentation
bin11000000001111…
…11000110111000
3112001022120202002
430000333012320
5403101210310
632000400132
74665305414
oct1400770670
9461276662
10201585080
11a3875944
1257616048
13329c0918
141cab5d44
1512a6dda5
hexc03f1b8

201585080 has 48 divisors (see below), whose sum is σ = 458642520. Its totient is φ = 79740032.

The previous prime is 201585077. The next prime is 201585101. The reversal of 201585080 is 80585102.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 887927 + ... + 888153.

Almost surely, 2201585080 is an apocalyptic number.

201585080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201585080 is an abundant number, since it is smaller than the sum of its proper divisors (257057440).

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

201585080 is a wasteful number, since it uses less digits than its factorization.

201585080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 383 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 29.

The square root of 201585080 is about 14198.0660654893. The cubic root of 201585080 is about 586.3444181241.

The spelling of 201585080 in words is "two hundred one million, five hundred eighty-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 149 227 298 454 596 745 908 1135 1192 1490 1816 2270 2980 4540 5960 9080 22201 33823 44402 67646 88804 111005 135292 169115 177608 222010 270584 338230 444020 676460 888040 1352920 5039627 10079254 20158508 25198135 40317016 50396270 100792540 201585080