Search a number
-
+
115968078 = 23313671571
BaseRepresentation
bin1101110100110…
…00100001001110
322002012210022000
412322120201032
5214141434303
615301333130
72605466232
oct672304116
9262183260
10115968078
115a508596
1232a071a6
131b044985
141158a5c2
15a2aada3
hex6e9884e

115968078 has 32 divisors (see below), whose sum is σ = 258059520. Its totient is φ = 38603160.

The previous prime is 115968053. The next prime is 115968079. The reversal of 115968078 is 870869511.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115968079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73033 + ... + 74603.

It is an arithmetic number, because the mean of its divisors is an integer number (8064360).

Almost surely, 2115968078 is an apocalyptic number.

115968078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

115968078 is an abundant number, since it is smaller than the sum of its proper divisors (142091442).

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

115968078 is a wasteful number, since it uses less digits than its factorization.

115968078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949 (or 2943 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 45.

The square root of 115968078 is about 10768.8475706549. The cubic root of 115968078 is about 487.6551553476.

The spelling of 115968078 in words is "one hundred fifteen million, nine hundred sixty-eight thousand, seventy-eight".

Divisors: 1 2 3 6 9 18 27 54 1367 1571 2734 3142 4101 4713 8202 9426 12303 14139 24606 28278 36909 42417 73818 84834 2147557 4295114 6442671 12885342 19328013 38656026 57984039 115968078