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117867141 = 3271870907
BaseRepresentation
bin1110000011010…
…00001010000101
322012210021022200
413001220022011
5220133222031
615410145113
72630565660
oct701501205
9265707280
10117867141
1160595367
1233582199
131b55b192
14119226d7
15a5338e6
hex7068285

117867141 has 12 divisors (see below), whose sum is σ = 194574432. Its totient is φ = 67352616.

The previous prime is 117867121. The next prime is 117867151. The reversal of 117867141 is 141768711.

It is not a de Polignac number, because 117867141 - 214 = 117850757 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 117867096 and 117867105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117867121) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935391 + ... + 935516.

It is an arithmetic number, because the mean of its divisors is an integer number (16214536).

Almost surely, 2117867141 is an apocalyptic number.

It is an amenable number.

117867141 is a deficient number, since it is larger than the sum of its proper divisors (76707291).

117867141 is a wasteful number, since it uses less digits than its factorization.

117867141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870920 (or 1870917 counting only the distinct ones).

The product of its digits is 9408, while the sum is 36.

The square root of 117867141 is about 10856.6634377234. The cubic root of 117867141 is about 490.3026604406.

The spelling of 117867141 in words is "one hundred seventeen million, eight hundred sixty-seven thousand, one hundred forty-one".

Divisors: 1 3 7 9 21 63 1870907 5612721 13096349 16838163 39289047 117867141