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9009241605 = 345713244451
BaseRepresentation
bin10000110001111111…
…00001111000000101
3212020212110220010000
420120333201320011
5121422331212410
64045551151513
7436154201340
oct103077417005
925225426100
109009241605
113903533621
1218b5215599
13b076678c0
1461673d457
1537ae04dc0
hex218fe1e05

9009241605 has 80 divisors (see below), whose sum is σ = 19876881024. Its totient is φ = 3801686400.

The previous prime is 9009241601. The next prime is 9009241639. The reversal of 9009241605 is 5061429009.

9009241605 is a `hidden beast` number, since 9 + 0 + 0 + 9 + 2 + 41 + 605 = 666.

It is not a de Polignac number, because 9009241605 - 22 = 9009241601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9009241605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9009241601) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 85371 + ... + 159080.

Almost surely, 29009241605 is an apocalyptic number.

It is an amenable number.

9009241605 is an abundant number, since it is smaller than the sum of its proper divisors (10867639419).

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

9009241605 is a wasteful number, since it uses less digits than its factorization.

9009241605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244488 (or 244479 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 9009241605 is about 94917.0248427541. The cubic root of 9009241605 is about 2080.7955540528.

The spelling of 9009241605 in words is "nine billion, nine million, two hundred forty-one thousand, six hundred five".

Divisors: 1 3 5 7 9 13 15 21 27 35 39 45 63 65 81 91 105 117 135 189 195 273 315 351 405 455 567 585 819 945 1053 1365 1755 2457 2835 4095 5265 7371 12285 36855 244451 733353 1222255 1711157 2200059 3177863 3666765 5133471 6600177 8555785 9533589 11000295 15400413 15889315 19800531 22245041 25667355 28600767 33000885 46201239 47667945 66735123 77002065 85802301 99002655 111225205 138603717 143003835 200205369 231006195 257406903 333675615 429011505 600616107 693018585 1001026845 1287034515 1801848321 3003080535 9009241605