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117738271 = 7127132439
BaseRepresentation
bin1110000010010…
…00101100011111
322012112201112201
413001020230133
5220120111041
615403312331
72626521160
oct701105437
9265481481
10117738271
1160507562
123351b6a7
131b514621
14118cb767
15a50a631
hex7048b1f

117738271 has 8 divisors (see below), whose sum is σ = 135618560. Its totient is φ = 100123128.

The previous prime is 117738259. The next prime is 117738293. The reversal of 117738271 is 172837711.

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

It is not a de Polignac number, because 117738271 - 223 = 109349663 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 117738271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117738221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65331 + ... + 67108.

It is an arithmetic number, because the mean of its divisors is an integer number (16952320).

Almost surely, 2117738271 is an apocalyptic number.

117738271 is a deficient number, since it is larger than the sum of its proper divisors (17880289).

117738271 is a wasteful number, since it uses less digits than its factorization.

117738271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132573.

The product of its digits is 16464, while the sum is 37.

The square root of 117738271 is about 10850.7267498541. The cubic root of 117738271 is about 490.1239045261.

The spelling of 117738271 in words is "one hundred seventeen million, seven hundred thirty-eight thousand, two hundred seventy-one".

Divisors: 1 7 127 889 132439 927073 16819753 117738271