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118230530 = 25115212063
BaseRepresentation
bin1110000110000…
…00111000000010
322020110201210112
413003000320002
5220231334110
615422031322
72633641265
oct703007002
9266421715
10118230530
1160813390
1233718542
131b6576c2
14119b8cdc
15a5a6405
hex70c0e02

118230530 has 32 divisors (see below), whose sum is σ = 232720128. Its totient is φ = 42889600.

The previous prime is 118230517. The next prime is 118230533. The reversal of 118230530 is 35032811.

It is a junction number, because it is equal to n+sod(n) for n = 118230496 and 118230505.

It is not an unprimeable number, because it can be changed into a prime (118230533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56279 + ... + 58341.

It is an arithmetic number, because the mean of its divisors is an integer number (7272504).

Almost surely, 2118230530 is an apocalyptic number.

118230530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118230530 is a deficient number, since it is larger than the sum of its proper divisors (114489598).

118230530 is a wasteful number, since it uses less digits than its factorization.

118230530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2602.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 118230530 is about 10873.3863170587. The cubic root of 118230530 is about 490.8060175896.

The spelling of 118230530 in words is "one hundred eighteen million, two hundred thirty thousand, five hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 521 1042 2063 2605 4126 5210 5731 10315 11462 20630 22693 28655 45386 57310 113465 226930 1074823 2149646 5374115 10748230 11823053 23646106 59115265 118230530