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115323020 = 22514938699
BaseRepresentation
bin1101101111110…
…11000010001100
322001000000102222
412313323002030
5214010314040
615235434512
72600141501
oct667730214
9261000388
10115323020
115a10798a
1232755a38
131ab7a197
141145d4a8
15a1cebb5
hex6dfb08c

115323020 has 24 divisors (see below), whose sum is σ = 243810000. Its totient is φ = 45818432.

The previous prime is 115323017. The next prime is 115323031. The reversal of 115323020 is 20323511.

It is a self number, because there is not a number n which added to its sum of digits gives 115323020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16370 + ... + 22329.

It is an arithmetic number, because the mean of its divisors is an integer number (10158750).

Almost surely, 2115323020 is an apocalyptic number.

115323020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115323020 is an abundant number, since it is smaller than the sum of its proper divisors (128486980).

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

115323020 is a wasteful number, since it uses less digits than its factorization.

115323020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38857 (or 38855 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 115323020 is about 10738.8556187333. The cubic root of 115323020 is about 486.7492999945.

Adding to 115323020 its reverse (20323511), we get a palindrome (135646531).

The spelling of 115323020 in words is "one hundred fifteen million, three hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 20 149 298 596 745 1490 2980 38699 77398 154796 193495 386990 773980 5766151 11532302 23064604 28830755 57661510 115323020