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117108288 = 26331161101
BaseRepresentation
bin1101111101011…
…10111001000000
322011100201101000
412332232321000
5214434431123
615342012000
72621255403
oct676567100
9264321330
10117108288
1160117210
1233277000
131b35395b
14117a5d3a
15a433b43
hex6faee40

117108288 has 224 divisors, whose sum is σ = 385511040. Its totient is φ = 34560000.

The previous prime is 117108281. The next prime is 117108289. The reversal of 117108288 is 882801711.

It is a super-2 number, since 2×1171082882 = 27428702236581888, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (117108281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1159438 + ... + 1159538.

Almost surely, 2117108288 is an apocalyptic number.

117108288 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 117108288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192755520).

117108288 is an abundant number, since it is smaller than the sum of its proper divisors (268402752).

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

117108288 is a wasteful number, since it uses less digits than its factorization.

117108288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 36.

The square root of 117108288 is about 10821.6582832762. The cubic root of 117108288 is about 489.2481709176.

Adding to 117108288 its reverse (882801711), we get a palindrome (999909999).

The spelling of 117108288 in words is "one hundred seventeen million, one hundred eight thousand, two hundred eighty-eight".