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117069856 = 254777839
BaseRepresentation
bin1101111101001…
…01100000100000
322011021202122121
412332211200200
5214432213411
615341114024
72621035351
oct676454040
9264252577
10117069856
11600a0352
1233258914
131b33c307
1411795d28
15a427571
hex6fa5820

117069856 has 24 divisors (see below), whose sum is σ = 235388160. Its totient is φ = 57288768.

The previous prime is 117069851. The next prime is 117069859. The reversal of 117069856 is 658960711.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (117069851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37416 + ... + 40423.

It is an arithmetic number, because the mean of its divisors is an integer number (9807840).

Almost surely, 2117069856 is an apocalyptic number.

117069856 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

117069856 is an abundant number, since it is smaller than the sum of its proper divisors (118318304).

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

117069856 is an equidigital number, since it uses as much as digits as its factorization.

117069856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77896 (or 77888 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 117069856 is about 10819.8824392874. The cubic root of 117069856 is about 489.1946454064.

The spelling of 117069856 in words is "one hundred seventeen million, sixty-nine thousand, eight hundred fifty-six".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 77839 155678 311356 622712 1245424 2490848 3658433 7316866 14633732 29267464 58534928 117069856