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117241271 = 723764667
BaseRepresentation
bin1101111110011…
…11010110110111
322011121110210022
412333033112313
5220003210041
615344515355
72622351200
oct677172667
9264543708
10117241271
11601a8114
123331bb5b
131b39c344
14117dc5a7
15a45d24b
hex6fcf5b7

117241271 has 12 divisors (see below), whose sum is σ = 140070888. Its totient is φ = 97774992.

The previous prime is 117241261. The next prime is 117241273. The reversal of 117241271 is 172142711.

It is not a de Polignac number, because 117241271 - 210 = 117240247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 117241271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117241273) 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, 30521 + ... + 34146.

It is an arithmetic number, because the mean of its divisors is an integer number (11672574).

Almost surely, 2117241271 is an apocalyptic number.

117241271 is a deficient number, since it is larger than the sum of its proper divisors (22829617).

117241271 is an equidigital number, since it uses as much as digits as its factorization.

117241271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64718 (or 64711 counting only the distinct ones).

The product of its digits is 784, while the sum is 26.

The square root of 117241271 is about 10827.8008385821. The cubic root of 117241271 is about 489.4332904028.

Adding to 117241271 its reverse (172142711), we get a palindrome (289383982).

The spelling of 117241271 in words is "one hundred seventeen million, two hundred forty-one thousand, two hundred seventy-one".

Divisors: 1 7 37 49 259 1813 64667 452669 2392679 3168683 16748753 117241271