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117220716 = 22337115287
BaseRepresentation
bin1101111110010…
…10010101101100
322011120102121000
412333022111230
5220002030331
615344240300
72622234234
oct677122554
9264512530
10117220716
1160193728
1233310090
131b392b92
14117d4cc4
15a4570e6
hex6fca56c

117220716 has 48 divisors (see below), whose sum is σ = 308206080. Its totient is φ = 38520720.

The previous prime is 117220687. The next prime is 117220739. The reversal of 117220716 is 617022711.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 117220716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25 + ... + 15311.

It is an arithmetic number, because the mean of its divisors is an integer number (6420960).

Almost surely, 2117220716 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 117220716, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154103040).

117220716 is an abundant number, since it is smaller than the sum of its proper divisors (190985364).

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

117220716 is a wasteful number, since it uses less digits than its factorization.

117220716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15371 (or 15363 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 27.

The square root of 117220716 is about 10826.8516199309. The cubic root of 117220716 is about 489.4046858873.

The spelling of 117220716 in words is "one hundred seventeen million, two hundred twenty thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 71 108 142 213 284 426 639 852 1278 1917 2556 3834 7668 15287 30574 45861 61148 91722 137583 183444 275166 412749 550332 825498 1085377 1650996 2170754 3256131 4341508 6512262 9768393 13024524 19536786 29305179 39073572 58610358 117220716