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118033930 = 25723167439
BaseRepresentation
bin1110000100100…
…00111000001010
322020002202010001
413002100320022
5220204041210
615413513214
72632162150
oct702207012
9266082101
10118033930
1160699703
123364280a
131b5b9081
14119673d0
15a56803a
hex7090e0a

118033930 has 64 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 38389824.

The previous prime is 118033891. The next prime is 118033931. The reversal of 118033930 is 39330811.

118033930 is a nontrivial binomial coefficient, being equal to C(15365, 2).

It is a super-3 number, since 3×1180339303 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (118033931) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 268651 + ... + 269089.

It is an arithmetic number, because the mean of its divisors is an integer number (3991680).

Almost surely, 2118033930 is an apocalyptic number.

118033930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

118033930 is the 15364-th triangular number.

118033930 is the 5122-nd centered nonagonal number.

118033930 is an abundant number, since it is smaller than the sum of its proper divisors (137433590).

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

118033930 is a wasteful number, since it uses less digits than its factorization.

118033930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 118033930 is about 10864.3421337879. The cubic root of 118033930 is about 490.5338205612.

The spelling of 118033930 in words is "one hundred eighteen million, thirty-three thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 23 35 46 70 115 161 167 230 322 334 439 805 835 878 1169 1610 1670 2195 2338 3073 3841 4390 5845 6146 7682 10097 11690 15365 19205 20194 26887 30730 38410 50485 53774 70679 73313 100970 134435 141358 146626 268870 353395 366565 513191 706790 733130 1026382 1686199 2565955 3372398 5131910 8430995 11803393 16861990 23606786 59016965 118033930