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117807530 = 2543273971
BaseRepresentation
bin1110000010110…
…01100110101010
322012200020112212
413001121212222
5220124320110
615405005122
72630230121
oct701314652
9265606485
10117807530
11605545a5
12335537a2
131b539cc9
1411908ab8
15a520e05
hex70599aa

117807530 has 16 divisors (see below), whose sum is σ = 216985824. Its totient is φ = 46026960.

The previous prime is 117807517. The next prime is 117807539. The reversal of 117807530 is 35708711.

It is a super-3 number, since 3×1178075303 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (117807539) by changing a digit.

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, 136556 + ... + 137415.

It is an arithmetic number, because the mean of its divisors is an integer number (13561614).

Almost surely, 2117807530 is an apocalyptic number.

117807530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117807530 is a deficient number, since it is larger than the sum of its proper divisors (99178294).

117807530 is a wasteful number, since it uses less digits than its factorization.

117807530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274021.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 117807530 is about 10853.9177258721. The cubic root of 117807530 is about 490.2199900705.

The spelling of 117807530 in words is "one hundred seventeen million, eight hundred seven thousand, five hundred thirty".

Divisors: 1 2 5 10 43 86 215 430 273971 547942 1369855 2739710 11780753 23561506 58903765 117807530