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115830666 = 23278231117
BaseRepresentation
bin1101110011101…
…10111110001010
322001221210210200
412321312332022
5214123040131
615254353030
72604354510
oct671667612
9261853720
10115830666
115a424326
123295b776
131acc7273
14115524b0
15a2802e6
hex6e76f8a

115830666 has 48 divisors (see below), whose sum is σ = 287424384. Its totient is φ = 33024672.

The previous prime is 115830661. The next prime is 115830667. The reversal of 115830666 is 666038511.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115830666.

It is not an unprimeable number, because it can be changed into a prime (115830661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 103140 + ... + 104256.

It is an arithmetic number, because the mean of its divisors is an integer number (5988008).

Almost surely, 2115830666 is an apocalyptic number.

115830666 is an abundant number, since it is smaller than the sum of its proper divisors (171593718).

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

115830666 is a wasteful number, since it uses less digits than its factorization.

115830666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1955 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 115830666 is about 10762.4656097012. The cubic root of 115830666 is about 487.4624696946.

The spelling of 115830666 in words is "one hundred fifteen million, eight hundred thirty thousand, six hundred sixty-six".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 823 1117 1646 2234 2469 3351 4938 5761 6702 7407 7819 10053 11522 14814 15638 17283 20106 23457 34566 46914 51849 70371 103698 140742 919291 1838582 2757873 5515746 6435037 8273619 12870074 16547238 19305111 38610222 57915333 115830666