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117853620 = 223515712511
BaseRepresentation
bin1110000011001…
…00110110110100
322012202120202220
413001210312310
5220132303440
615410002340
72630511363
oct701446664
9265676686
10117853620
1160586195
12335763b0
131b554c91
141191b7da
15a52e8d0
hex7064db4

117853620 has 48 divisors (see below), whose sum is σ = 332118528. Its totient is φ = 31224960.

The previous prime is 117853607. The next prime is 117853657. The reversal of 117853620 is 26358711.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3165 + ... + 15675.

It is an arithmetic number, because the mean of its divisors is an integer number (6919136).

Almost surely, 2117853620 is an apocalyptic number.

117853620 is a gapful number since it is divisible by the number (10) 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 117853620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166059264).

117853620 is an abundant number, since it is smaller than the sum of its proper divisors (214264908).

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

117853620 is a wasteful number, since it uses less digits than its factorization.

117853620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12680 (or 12678 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 117853620 is about 10856.0407147357. The cubic root of 117853620 is about 490.2839115461.

The spelling of 117853620 in words is "one hundred seventeen million, eight hundred fifty-three thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 157 314 471 628 785 942 1570 1884 2355 3140 4710 9420 12511 25022 37533 50044 62555 75066 125110 150132 187665 250220 375330 750660 1964227 3928454 5892681 7856908 9821135 11785362 19642270 23570724 29463405 39284540 58926810 117853620