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117887355 = 3257933161
BaseRepresentation
bin1110000011011…
…01000101111011
322012211022001100
413001231011323
5220134343410
615410422443
72631011625
oct701550573
9265738040
10117887355
11605a9573
1233591a23
131b567441
1411929c15
15a5398c0
hex706d17b

117887355 has 24 divisors (see below), whose sum is σ = 206930880. Its totient is φ = 62075520.

The previous prime is 117887347. The next prime is 117887359. The reversal of 117887355 is 553788711.

It is not a de Polignac number, because 117887355 - 23 = 117887347 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 117887355.

It is not an unprimeable number, because it can be changed into a prime (117887359) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13026 + ... + 20135.

It is an arithmetic number, because the mean of its divisors is an integer number (8622120).

Almost surely, 2117887355 is an apocalyptic number.

117887355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

117887355 is a deficient number, since it is larger than the sum of its proper divisors (89043525).

117887355 is a wasteful number, since it uses less digits than its factorization.

117887355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33251 (or 33248 counting only the distinct ones).

The product of its digits is 235200, while the sum is 45.

The square root of 117887355 is about 10857.5943468155. The cubic root of 117887355 is about 490.3306875095.

The spelling of 117887355 in words is "one hundred seventeen million, eight hundred eighty-seven thousand, three hundred fifty-five".

Divisors: 1 3 5 9 15 45 79 237 395 711 1185 3555 33161 99483 165805 298449 497415 1492245 2619719 7859157 13098595 23577471 39295785 117887355