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117072648 = 23337117039
BaseRepresentation
bin1101111101001…
…10001100001000
322011021220111000
412332212030020
5214432311043
615341135000
72621046450
oct676461410
9264256430
10117072648
11600a2460
123325a460
131b340674
1411796d60
15a4282d3
hex6fa6308

117072648 has 128 divisors (see below), whose sum is σ = 405504000. Its totient is φ = 30404160.

The previous prime is 117072619. The next prime is 117072653. The reversal of 117072648 is 846270711.

117072648 is a `hidden beast` number, since 1 + 1 + 7 + 0 + 7 + 2 + 648 = 666.

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

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 31 ways as a sum of consecutive naturals, for example, 13113 + ... + 20151.

It is an arithmetic number, because the mean of its divisors is an integer number (3168000).

Almost surely, 2117072648 is an apocalyptic number.

117072648 is a gapful number since it is divisible by the number (18) 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 117072648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (202752000).

117072648 is an abundant number, since it is smaller than the sum of its proper divisors (288431352).

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

117072648 is a wasteful number, since it uses less digits than its factorization.

117072648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072 (or 7062 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 36.

The square root of 117072648 is about 10820.0114602527. The cubic root of 117072648 is about 489.1985343112.

The spelling of 117072648 in words is "one hundred seventeen million, seventy-two thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 63 66 72 77 84 88 99 108 126 132 154 168 189 198 216 231 252 264 297 308 378 396 462 504 594 616 693 756 792 924 1188 1386 1512 1848 2079 2376 2772 4158 5544 7039 8316 14078 16632 21117 28156 42234 49273 56312 63351 77429 84468 98546 126702 147819 154858 168936 190053 197092 232287 253404 295638 309716 380106 394184 443457 464574 506808 542003 591276 619432 696861 760212 886914 929148 1084006 1182552 1330371 1393722 1520424 1626009 1773828 1858296 2090583 2168012 2660742 2787444 3252018 3547656 4181166 4336024 4878027 5321484 5574888 6504036 8362332 9756054 10642968 13008072 14634081 16724664 19512108 29268162 39024216 58536324 117072648