Search a number
-
+
118227680 = 255738923
BaseRepresentation
bin1110000110000…
…00001011100000
322020110120212222
413003000023200
5220231241210
615422010212
72633630054
oct703001340
9266416788
10118227680
116081122a
1233716968
131b65630c
14119b7c64
15a5a5655
hex70c02e0

118227680 has 24 divisors (see below), whose sum is σ = 279313272. Its totient is φ = 47291008.

The previous prime is 118227679. The next prime is 118227713. The reversal of 118227680 is 86722811.

It is a self number, because there is not a number n which added to its sum of digits gives 118227680.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 369302 + ... + 369621.

It is an arithmetic number, because the mean of its divisors is an integer number (11638053).

Almost surely, 2118227680 is an apocalyptic number.

118227680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

118227680 is an abundant number, since it is smaller than the sum of its proper divisors (161085592).

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

118227680 is an equidigital number, since it uses as much as digits as its factorization.

118227680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738938 (or 738930 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 35.

The square root of 118227680 is about 10873.2552623398. The cubic root of 118227680 is about 490.8020738581.

The spelling of 118227680 in words is "one hundred eighteen million, two hundred twenty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 738923 1477846 2955692 3694615 5911384 7389230 11822768 14778460 23645536 29556920 59113840 118227680