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117105648 = 24311257863
BaseRepresentation
bin1101111101011…
…10001111110000
322011100120202020
412332232033300
5214434340043
615341551440
72621244612
oct676561760
9264316666
10117105648
1160115230
1233275580
131b3526aa
14117a4db2
15a432e83
hex6fae3f0

117105648 has 80 divisors (see below), whose sum is σ = 331693056. Its totient is φ = 35307520.

The previous prime is 117105643. The next prime is 117105649. The reversal of 117105648 is 846501711.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117105643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135265 + ... + 136127.

Almost surely, 2117105648 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117105648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165846528).

117105648 is an abundant number, since it is smaller than the sum of its proper divisors (214587408).

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

117105648 is a wasteful number, since it uses less digits than its factorization.

117105648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142 (or 1136 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 117105648 is about 10821.5363049800. The cubic root of 117105648 is about 489.2444944773.

The spelling of 117105648 in words is "one hundred seventeen million, one hundred five thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 257 264 514 528 771 863 1028 1542 1726 2056 2589 2827 3084 3452 4112 5178 5654 6168 6904 8481 9493 10356 11308 12336 13808 16962 18986 20712 22616 28479 33924 37972 41424 45232 56958 67848 75944 113916 135696 151888 221791 227832 443582 455664 665373 887164 1330746 1774328 2439701 2661492 3548656 4879402 5322984 7319103 9758804 10645968 14638206 19517608 29276412 39035216 58552824 117105648