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1418489289 = 3272193143127
BaseRepresentation
bin101010010001100…
…0110110111001001
310122212010201111100
41110203012313021
510401113124124
6352431052013
750102650200
oct12443066711
93585121440
101418489289
11668777aa8
12337071009
13197b53399
14d6566237
15847e81c9
hex548c6dc9

1418489289 has 144 divisors (see below), whose sum is σ = 2670919680. Its totient is φ = 720135360.

The previous prime is 1418489287. The next prime is 1418489311. The reversal of 1418489289 is 9829848141.

It is a happy number.

It is not a de Polignac number, because 1418489289 - 21 = 1418489287 is a prime.

It is a super-3 number, since 3×14184892893 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1418489287) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 11169144 + ... + 11169270.

Almost surely, 21418489289 is an apocalyptic number.

1418489289 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1418489289 is a deficient number, since it is larger than the sum of its proper divisors (1252430391).

1418489289 is a wasteful number, since it uses less digits than its factorization.

1418489289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 230 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 54.

The square root of 1418489289 is about 37662.8369749280. The cubic root of 1418489289 is about 1123.5921256741.

The spelling of 1418489289 in words is "one billion, four hundred eighteen million, four hundred eighty-nine thousand, two hundred eighty-nine".

Divisors: 1 3 7 9 19 21 31 43 49 57 63 93 127 129 133 147 171 217 279 301 381 387 399 441 589 651 817 889 903 931 1143 1197 1333 1519 1767 1953 2107 2413 2451 2667 2709 2793 3937 3999 4123 4557 5301 5461 5719 6223 6321 7239 7353 8001 8379 9331 11811 11997 12369 13671 16383 16891 17157 18669 18963 21717 25327 27559 27993 28861 35433 37107 38227 40033 49149 50673 51471 56007 65317 74803 75981 82677 83979 86583 103759 114681 118237 120099 152019 169291 177289 192913 195951 224409 227943 248031 259749 267589 311277 344043 354711 360297 507873 523621 531867 578739 587853 673227 726313 802767 933831 1064133 1185037 1241023 1523619 1570863 1595601 1736217 2178939 2408301 3216529 3555111 3665347 3723069 4712589 5084191 6536817 8295259 9649587 10665333 10996041 11169207 15252573 22515703 24885777 28948761 32988123 45757719 67547109 74657331 157609921 202641327 472829763 1418489289