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117440384 = 27917503
BaseRepresentation
bin1101111111111…
…11111110000000
322011222120220212
412333333332000
5220031043014
615353053252
72624140535
oct677777600
9264876825
10117440384
1160323776
12333b7228
131b43bb69
1411850d8c
15a49c23e
hex6ffff80

117440384 has 16 divisors (see below), whose sum is σ = 233963520. Its totient is φ = 58720128.

The previous prime is 117440383. The next prime is 117440399. The reversal of 117440384 is 483044711.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 117440384.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117440381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 458624 + ... + 458879.

It is an arithmetic number, because the mean of its divisors is an integer number (14622720).

Almost surely, 2117440384 is an apocalyptic number.

It is an amenable number.

117440384 is a deficient number, since it is larger than the sum of its proper divisors (116523136).

117440384 is an frugal number, since it uses more digits than its factorization.

117440384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917517 (or 917505 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 117440384 is about 10836.9914644241. The cubic root of 117440384 is about 489.7102048757.

The spelling of 117440384 in words is "one hundred seventeen million, four hundred forty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 64 128 917503 1835006 3670012 7340024 14680048 29360096 58720192 117440384