Search a number
-
+
115238030 = 2583138841
BaseRepresentation
bin1101101111001…
…10010010001110
322000211200212012
412313212102032
5214000104110
615233541222
72566335635
oct667462216
9260750765
10115238030
115a05a046
1232714812
131ab4a5ab
141143a51c
15a1b4905
hex6de648e

115238030 has 16 divisors (see below), whose sum is σ = 209929104. Its totient is φ = 45539520.

The previous prime is 115238009. The next prime is 115238051. The reversal of 115238030 is 30832511.

It is an interprime number because it is at equal distance from previous prime (115238009) and next prime (115238051).

It is a junction number, because it is equal to n+sod(n) for n = 115237987 and 115238005.

It is a congruent number.

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, 68591 + ... + 70250.

It is an arithmetic number, because the mean of its divisors is an integer number (13120569).

Almost surely, 2115238030 is an apocalyptic number.

115238030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115238030 is a deficient number, since it is larger than the sum of its proper divisors (94691074).

115238030 is a wasteful number, since it uses less digits than its factorization.

115238030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138931.

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

The square root of 115238030 is about 10734.8977638355. The cubic root of 115238030 is about 486.6296968434.

The spelling of 115238030 in words is "one hundred fifteen million, two hundred thirty-eight thousand, thirty".

Divisors: 1 2 5 10 83 166 415 830 138841 277682 694205 1388410 11523803 23047606 57619015 115238030