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117164469 = 31931611087
BaseRepresentation
bin1101111101111…
…00100110110101
322011110120102210
412332330212311
5214443230334
615343124033
72621611242
oct676744665
9264416383
10117164469
1160155444
12332a3619
131b3733b6
14117bc5c9
15a4455e9
hex6fbc9b5

117164469 has 32 divisors (see below), whose sum is σ = 172687360. Its totient is φ = 70372800.

The previous prime is 117164447. The next prime is 117164471. The reversal of 117164469 is 964461711.

It is not a de Polignac number, because 117164469 - 211 = 117162421 is a prime.

It is a super-2 number, since 2×1171644692 = 27455025592103922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117164479) 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, 107244 + ... + 108330.

It is an arithmetic number, because the mean of its divisors is an integer number (5396480).

Almost surely, 2117164469 is an apocalyptic number.

117164469 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

117164469 is a deficient number, since it is larger than the sum of its proper divisors (55522891).

117164469 is a wasteful number, since it uses less digits than its factorization.

117164469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201.

The product of its digits is 36288, while the sum is 39.

The square root of 117164469 is about 10824.2537387110. The cubic root of 117164469 is about 489.3263949776.

The spelling of 117164469 in words is "one hundred seventeen million, one hundred sixty-four thousand, four hundred sixty-nine".

Divisors: 1 3 19 31 57 61 93 183 589 1087 1159 1767 1891 3261 3477 5673 20653 33697 35929 61959 66307 101091 107787 198921 640243 1259833 1920729 2055517 3779499 6166551 39054823 117164469