Search a number
-
+
117797380 = 2255889869
BaseRepresentation
bin1110000010101…
…11001000000100
322012122201121221
413001113020010
5220124004010
615404450124
72630155411
oct701271004
9265581557
10117797380
1160547a08
1233549944
131b5354bc
1411905108
15a51cdda
hex7057204

117797380 has 12 divisors (see below), whose sum is σ = 247374540. Its totient is φ = 47118944.

The previous prime is 117797377. The next prime is 117797389. The reversal of 117797380 is 83797711.

It can be written as a sum of positive squares in 2 ways, for example, as 24443136 + 93354244 = 4944^2 + 9662^2 .

It is not an unprimeable number, because it can be changed into a prime (117797389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944915 + ... + 2944954.

It is an arithmetic number, because the mean of its divisors is an integer number (20614545).

Almost surely, 2117797380 is an apocalyptic number.

117797380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

117797380 is an abundant number, since it is smaller than the sum of its proper divisors (129577160).

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

117797380 is a wasteful number, since it uses less digits than its factorization.

117797380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889878 (or 5889876 counting only the distinct ones).

The product of its (nonzero) digits is 74088, while the sum is 43.

The square root of 117797380 is about 10853.4501426966. The cubic root of 117797380 is about 490.2059109597.

The spelling of 117797380 in words is "one hundred seventeen million, seven hundred ninety-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 5889869 11779738 23559476 29449345 58898690 117797380