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118555164 = 22347134021
BaseRepresentation
bin1110001000100…
…00001000011100
322021002020010000
413010100020130
5220322231124
615433014300
72636462610
oct704201034
9267066100
10118555164
1160a15282
1233854390
131b73c3b0
1411a61340
15a61c6c9
hex711021c

118555164 has 120 divisors (see below), whose sum is σ = 381543008. Its totient is φ = 31259520.

The previous prime is 118555153. The next prime is 118555187. The reversal of 118555164 is 461555811.

It is a super-2 number, since 2×1185551642 = 28110653822133792, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 27474 + ... + 31494.

Almost surely, 2118555164 is an apocalyptic number.

118555164 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 118555164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190771504).

118555164 is an abundant number, since it is smaller than the sum of its proper divisors (262987844).

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

118555164 is a wasteful number, since it uses less digits than its factorization.

118555164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4057 (or 4046 counting only the distinct ones).

The product of its digits is 24000, while the sum is 36.

The square root of 118555164 is about 10888.3040001646. The cubic root of 118555164 is about 491.2548207673.

The spelling of 118555164 in words is "one hundred eighteen million, five hundred fifty-five thousand, one hundred sixty-four".

Divisors: 1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 252 273 324 351 364 378 468 546 567 702 756 819 1053 1092 1134 1404 1638 2106 2268 2457 3276 4021 4212 4914 7371 8042 9828 12063 14742 16084 24126 28147 29484 36189 48252 52273 56294 72378 84441 104546 108567 112588 144756 156819 168882 209092 217134 253323 313638 325701 337764 365911 434268 470457 506646 627276 651402 731822 759969 940914 1013292 1097733 1302804 1411371 1463644 1519938 1881828 2195466 2279907 2822742 3039876 3293199 4234113 4390932 4559814 5645484 6586398 8468226 9119628 9879597 13172796 16936452 19759194 29638791 39518388 59277582 118555164