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117921024 = 28321331127
BaseRepresentation
bin1110000011101…
…01010100000000
322012220000020100
413001311110000
5220141433044
615411242400
72631212034
oct701652400
9265800210
10117921024
11606218a1
12335a9400
131b579870
14119381c4
15a544869
hex7075500

117921024 has 216 divisors, whose sum is σ = 380936192. Its totient is φ = 34836480.

The previous prime is 117921017. The next prime is 117921029. The reversal of 117921024 is 420129711.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117921029) 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, 928449 + ... + 928575.

Almost surely, 2117921024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 117921024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (190468096).

117921024 is an abundant number, since it is smaller than the sum of its proper divisors (263015168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

117921024 is a wasteful number, since it uses less digits than its factorization.

117921024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 176 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 117921024 is about 10859.1447177022. The cubic root of 117921024 is about 490.3773630627.

The spelling of 117921024 in words is "one hundred seventeen million, nine hundred twenty-one thousand, twenty-four".