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117282830 = 25717671471
BaseRepresentation
bin1101111110110…
…01100000001110
322011200120210112
412333121200032
5220011022310
615345440022
72622613310
oct677314016
9264616715
10117282830
1160226365
1233340012
131b3b5232
141180d7b0
15a46a705
hex6fd980e

117282830 has 64 divisors (see below), whose sum is σ = 259448832. Its totient is φ = 37255680.

The previous prime is 117282821. The next prime is 117282833. The reversal of 117282830 is 38282711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117282833) 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, 78995 + ... + 80465.

It is an arithmetic number, because the mean of its divisors is an integer number (4053888).

Almost surely, 2117282830 is an apocalyptic number.

117282830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

117282830 is an abundant number, since it is smaller than the sum of its proper divisors (142166002).

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

117282830 is a wasteful number, since it uses less digits than its factorization.

117282830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1569.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 117282830 is about 10829.7197563003. The cubic root of 117282830 is about 489.4911140544.

The spelling of 117282830 in words is "one hundred seventeen million, two hundred eighty-two thousand, eight hundred thirty".

Divisors: 1 2 5 7 10 14 17 34 35 67 70 85 119 134 170 238 335 469 595 670 938 1139 1190 1471 2278 2345 2942 4690 5695 7355 7973 10297 11390 14710 15946 20594 25007 39865 50014 51485 79730 98557 102970 125035 175049 197114 250070 350098 492785 689899 875245 985570 1379798 1675469 1750490 3350938 3449495 6898990 8377345 11728283 16754690 23456566 58641415 117282830