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48800091 = 316266697
BaseRepresentation
bin1011101000101…
…0000101011011
310101211022010210
42322022011123
544443100331
64501542203
71131536214
oct272120533
9111738123
1048800091
112560125a
1214414963
13a1581c2
1466a440b
15443e446
hex2e8a15b

48800091 has 4 divisors (see below), whose sum is σ = 65066792. Its totient is φ = 32533392.

The previous prime is 48800071. The next prime is 48800093. The reversal of 48800091 is 19000884.

It is a happy number.

48800091 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 48800091 - 26 = 48800027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48800093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8133346 + ... + 8133351.

It is an arithmetic number, because the mean of its divisors is an integer number (16266698).

Almost surely, 248800091 is an apocalyptic number.

48800091 is a deficient number, since it is larger than the sum of its proper divisors (16266701).

48800091 is a wasteful number, since it uses less digits than its factorization.

48800091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16266700.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 48800091 is about 6985.7061919322. The cubic root of 48800091 is about 365.4322545195.

The spelling of 48800091 in words is "forty-eight million, eight hundred thousand, ninety-one".

Divisors: 1 3 16266697 48800091