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117630271 = 11241131181
BaseRepresentation
bin1110000001011…
…10010100111111
322012100020101201
413000232110333
5220103132041
615401120331
72625561253
oct700562477
9265306351
10117630271
1160443400
12334890a7
131b4a7415
14118a0263
15a4d8631
hex702e53f

117630271 has 24 divisors (see below), whose sum is σ = 134198064. Its totient is φ = 102960000.

The previous prime is 117630269. The next prime is 117630277. The reversal of 117630271 is 172036711.

It is not a de Polignac number, because 117630271 - 21 = 117630269 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117630277) 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, 649801 + ... + 649981.

It is an arithmetic number, because the mean of its divisors is an integer number (5591586).

Almost surely, 2117630271 is an apocalyptic number.

117630271 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117630271 is a deficient number, since it is larger than the sum of its proper divisors (16567793).

117630271 is a wasteful number, since it uses less digits than its factorization.

117630271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 117630271 is about 10845.7489828965. The cubic root of 117630271 is about 489.9739969541.

Adding to 117630271 its reverse (172036711), we get a palindrome (289666982).

The spelling of 117630271 in words is "one hundred seventeen million, six hundred thirty thousand, two hundred seventy-one".

Divisors: 1 11 41 121 131 181 451 1441 1991 4961 5371 7421 15851 21901 23711 59081 81631 260821 649891 897941 972151 2869031 10693661 117630271