Search a number
-
+
117198620 = 22571176103
BaseRepresentation
bin1101111110001…
…00111100011100
322011112022021122
412333010330130
5220000323440
615343550112
72622112640
oct677047434
9264468248
10117198620
1160179070
12332bb338
131b385ac6
14117cac20
15a4507b5
hex6fc4f1c

117198620 has 48 divisors (see below), whose sum is σ = 306851328. Its totient is φ = 36528960.

The previous prime is 117198619. The next prime is 117198643. The reversal of 117198620 is 26891711.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

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, 36512 + ... + 39591.

It is an arithmetic number, because the mean of its divisors is an integer number (6392736).

Almost surely, 2117198620 is an apocalyptic number.

117198620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117198620 is an abundant number, since it is smaller than the sum of its proper divisors (189652708).

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

117198620 is a wasteful number, since it uses less digits than its factorization.

117198620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76130 (or 76128 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 35.

The square root of 117198620 is about 10825.8311459213. The cubic root of 117198620 is about 489.3739331732.

It can be divided in two parts, 11 and 7198620, that multiplied together give a triangular number (79184820 = T12584).

The spelling of 117198620 in words is "one hundred seventeen million, one hundred ninety-eight thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 44 55 70 77 110 140 154 220 308 385 770 1540 76103 152206 304412 380515 532721 761030 837133 1065442 1522060 1674266 2130884 2663605 3348532 4185665 5327210 5859931 8371330 10654420 11719862 16742660 23439724 29299655 58599310 117198620