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117444087 = 3783647
BaseRepresentation
bin1110000000000…
…00110111110111
322011222210000000
413000000313313
5220031202322
615353122343
72624154405
oct700006767
9264883000
10117444087
1160326532
12333b93b3
131b440757
1411852475
15a49d3ac
hex7000df7

117444087 has 32 divisors (see below), whose sum is σ = 178536960. Its totient is φ = 77233176.

The previous prime is 117444071. The next prime is 117444091. The reversal of 117444087 is 780444711.

It is not a de Polignac number, because 117444087 - 24 = 117444071 is a prime.

It is a super-2 number, since 2×1174440872 = 27586227142527138, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117443087) 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 31 ways as a sum of consecutive naturals, for example, 181198 + ... + 181844.

It is an arithmetic number, because the mean of its divisors is an integer number (5579280).

Almost surely, 2117444087 is an apocalyptic number.

117444087 is a deficient number, since it is larger than the sum of its proper divisors (61092873).

117444087 is an frugal number, since it uses more digits than its factorization.

117444087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 733 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 117444087 is about 10837.1623130781. The cubic root of 117444087 is about 489.7153518214.

Adding to 117444087 its reverse (780444711), we get a palindrome (897888798).

The spelling of 117444087 in words is "one hundred seventeen million, four hundred forty-four thousand, eighty-seven".

Divisors: 1 3 9 27 81 83 243 249 647 729 747 1941 2187 2241 5823 6723 17469 20169 52407 53701 60507 157221 161103 181521 471663 483309 1414989 1449927 4349781 13049343 39148029 117444087