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117808311 = 367586111
BaseRepresentation
bin1110000010110…
…01110010110111
322012200021121210
413001121302313
5220124331221
615405012503
72630232315
oct701316267
9265607553
10117808311
1160555145
1233554133
131b53a47a
14119090b5
15a521276
hex7059cb7

117808311 has 8 divisors (see below), whose sum is σ = 159422464. Its totient is φ = 77366520.

The previous prime is 117808297. The next prime is 117808337. The reversal of 117808311 is 113808711.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 117808311 - 27 = 117808183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117808811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 292855 + ... + 293256.

It is an arithmetic number, because the mean of its divisors is an integer number (19927808).

Almost surely, 2117808311 is an apocalyptic number.

117808311 is a deficient number, since it is larger than the sum of its proper divisors (41614153).

117808311 is an equidigital number, since it uses as much as digits as its factorization.

117808311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586181.

The product of its (nonzero) digits is 1344, while the sum is 30.

The square root of 117808311 is about 10853.9537036050. The cubic root of 117808311 is about 490.2210733656.

The spelling of 117808311 in words is "one hundred seventeen million, eight hundred eight thousand, three hundred eleven".

Divisors: 1 3 67 201 586111 1758333 39269437 117808311