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117281375 = 53938251
BaseRepresentation
bin1101111110110…
…01001001011111
322011200111210122
412333121021133
5220011001000
615345425155
72622606131
oct677311137
9264614718
10117281375
1160225262
123333b1bb
131b3b4683
141180d051
15a46a085
hex6fd925f

117281375 has 8 divisors (see below), whose sum is σ = 146367312. Its totient is φ = 93825000.

The previous prime is 117281369. The next prime is 117281377. The reversal of 117281375 is 573182711.

It is a happy number.

It is not a de Polignac number, because 117281375 - 226 = 50172511 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 (117281377) 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, 469001 + ... + 469250.

It is an arithmetic number, because the mean of its divisors is an integer number (18295914).

Almost surely, 2117281375 is an apocalyptic number.

117281375 is a deficient number, since it is larger than the sum of its proper divisors (29085937).

117281375 is an frugal number, since it uses more digits than its factorization.

117281375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 938266 (or 938256 counting only the distinct ones).

The product of its digits is 11760, while the sum is 35.

The square root of 117281375 is about 10829.6525798384. The cubic root of 117281375 is about 489.4890898521.

The spelling of 117281375 in words is "one hundred seventeen million, two hundred eighty-one thousand, three hundred seventy-five".

Divisors: 1 5 25 125 938251 4691255 23456275 117281375