Search a number
-
+
117797660 = 22541914057
BaseRepresentation
bin1110000010101…
…11001100011100
322012122202000022
413001113030130
5220124011120
615404451312
72630156261
oct701271434
9265582008
10117797660
1160548142
1233549b38
131b535676
1411905268
15a51d025
hex705731c

117797660 has 24 divisors (see below), whose sum is σ = 247983120. Its totient is φ = 47003264.

The previous prime is 117797657. The next prime is 117797699. The reversal of 117797660 is 66797711.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 1352 + ... + 15408.

It is an arithmetic number, because the mean of its divisors is an integer number (10332630).

Almost surely, 2117797660 is an apocalyptic number.

117797660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117797660 is an abundant number, since it is smaller than the sum of its proper divisors (130185460).

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

117797660 is a wasteful number, since it uses less digits than its factorization.

117797660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485 (or 14483 counting only the distinct ones).

The product of its (nonzero) digits is 111132, while the sum is 44.

The square root of 117797660 is about 10853.4630418130. The cubic root of 117797660 is about 490.2062993598.

The spelling of 117797660 in words is "one hundred seventeen million, seven hundred ninety-seven thousand, six hundred sixty".

Divisors: 1 2 4 5 10 20 419 838 1676 2095 4190 8380 14057 28114 56228 70285 140570 281140 5889883 11779766 23559532 29449415 58898830 117797660