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117153241 = 272942929
BaseRepresentation
bin1101111101110…
…01110111011001
322011110000000221
412332321313121
5214442400431
615343000041
72621533432
oct676716731
9264400027
10117153241
1160147a67
1233299021
131b36b25a
14117b8489
15a442111
hex6fb9dd9

117153241 has 4 divisors (see below), whose sum is σ = 117198900. Its totient is φ = 117107584.

The previous prime is 117153217. The next prime is 117153263. The reversal of 117153241 is 142351711.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 48594841 + 68558400 = 6971^2 + 8280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-117153241 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (117153271) 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 in 3 ways as a sum of consecutive naturals, for example, 18736 + ... + 24193.

It is an arithmetic number, because the mean of its divisors is an integer number (29299725).

Almost surely, 2117153241 is an apocalyptic number.

It is an amenable number.

117153241 is a deficient number, since it is larger than the sum of its proper divisors (45659).

117153241 is an equidigital number, since it uses as much as digits as its factorization.

117153241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45658.

The product of its digits is 840, while the sum is 25.

The square root of 117153241 is about 10823.7350762110. The cubic root of 117153241 is about 489.3107635826.

The spelling of 117153241 in words is "one hundred seventeen million, one hundred fifty-three thousand, two hundred forty-one".

Divisors: 1 2729 42929 117153241