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48308081 = 481310037
BaseRepresentation
bin1011100001000…
…1111101110001
310100220022020012
42320101331301
544331324311
64443224305
71124416613
oct270217561
9110808205
1048308081
11252a5638
1214218095
13a015283
1465b6db3
15439378b
hex2e11f71

48308081 has 4 divisors (see below), whose sum is σ = 48322932. Its totient is φ = 48293232.

The previous prime is 48308077. The next prime is 48308083. The reversal of 48308081 is 18080384.

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 26368225 + 21939856 = 5135^2 + 4684^2 .

It is a cyclic number.

It is not a de Polignac number, because 48308081 - 22 = 48308077 is a prime.

It is a super-2 number, since 2×483080812 = 4667341379805122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48308083) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (12080733).

Almost surely, 248308081 is an apocalyptic number.

It is an amenable number.

48308081 is a deficient number, since it is larger than the sum of its proper divisors (14851).

48308081 is a wasteful number, since it uses less digits than its factorization.

48308081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14850.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 48308081 is about 6950.4014991941. The cubic root of 48308081 is about 364.1999892241.

The spelling of 48308081 in words is "forty-eight million, three hundred eight thousand, eighty-one".

Divisors: 1 4813 10037 48308081