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116388105 = 35312291093
BaseRepresentation
bin1101110111111…
…11000100001001
322010000010110120
412323333010021
5214243404410
615314333453
72612165631
oct673770411
9263003416
10116388105
115a775119
1232b8a289
131b160c02
14116596c1
15a340570
hex6eff109

116388105 has 32 divisors (see below), whose sum is σ = 193244160. Its totient is φ = 59754240.

The previous prime is 116388089. The next prime is 116388109. The reversal of 116388105 is 501883611.

It is not a de Polignac number, because 116388105 - 24 = 116388089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116388109) 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, 105939 + ... + 107031.

It is an arithmetic number, because the mean of its divisors is an integer number (6038880).

Almost surely, 2116388105 is an apocalyptic number.

116388105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

116388105 is a deficient number, since it is larger than the sum of its proper divisors (76856055).

116388105 is a wasteful number, since it uses less digits than its factorization.

116388105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 116388105 is about 10788.3318914464. The cubic root of 116388105 is about 488.2431951522.

The spelling of 116388105 in words is "one hundred sixteen million, three hundred eighty-eight thousand, one hundred five".

Divisors: 1 3 5 15 31 93 155 229 465 687 1093 1145 3279 3435 5465 7099 16395 21297 33883 35495 101649 106485 169415 250297 508245 750891 1251485 3754455 7759207 23277621 38796035 116388105