Search a number
-
+
34478081 = 1123136277
BaseRepresentation
bin1000001110000…
…1100000000001
32101212200000222
42003201200001
532311244311
63230552425
7566026121
oct203414001
971780028
1034478081
1118509990
12b668715
1371b2341
144816c81
153060adb
hex20e1801

34478081 has 8 divisors (see below), whose sum is σ = 39248064. Its totient is φ = 29980720.

The previous prime is 34478077. The next prime is 34478083. The reversal of 34478081 is 18087443.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 34478081 - 22 = 34478077 is a prime.

It is a super-2 number, since 2×344780812 = 2377476138885122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (34478083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67886 + ... + 68391.

It is an arithmetic number, because the mean of its divisors is an integer number (4906008).

Almost surely, 234478081 is an apocalyptic number.

It is an amenable number.

34478081 is a deficient number, since it is larger than the sum of its proper divisors (4769983).

34478081 is a wasteful number, since it uses less digits than its factorization.

34478081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136311.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 34478081 is about 5871.8038965892. The cubic root of 34478081 is about 325.4725465145.

The spelling of 34478081 in words is "thirty-four million, four hundred seventy-eight thousand, eighty-one".

Divisors: 1 11 23 253 136277 1499047 3134371 34478081