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117078361 = 1959711471
BaseRepresentation
bin1101111101001…
…11100101011001
322011022012022121
412332213211121
5214433001421
615341221241
72621102221
oct676474531
9264265277
10117078361
11600a6784
1233261821
131b34314a
1411799081
15a429d41
hex6fa7959

117078361 has 16 divisors (see below), whose sum is σ = 127180800. Its totient is φ = 107427600.

The previous prime is 117078319. The next prime is 117078407. The reversal of 117078361 is 163870711.

It is a cyclic number.

It is not a de Polignac number, because 117078361 - 219 = 116554073 is a prime.

It is a super-2 number, since 2×1170783612 = 27414685228892642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117078061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78856 + ... + 80326.

It is an arithmetic number, because the mean of its divisors is an integer number (7948800).

Almost surely, 2117078361 is an apocalyptic number.

It is an amenable number.

117078361 is a deficient number, since it is larger than the sum of its proper divisors (10102439).

117078361 is a wasteful number, since it uses less digits than its factorization.

117078361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1620.

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 117078361 is about 10820.2754586009. The cubic root of 117078361 is about 489.2064916090.

The spelling of 117078361 in words is "one hundred seventeen million, seventy-eight thousand, three hundred sixty-one".

Divisors: 1 19 59 71 1121 1349 1471 4189 27949 79591 86789 104441 1648991 1984379 6162019 117078361