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48809091 = 317957041
BaseRepresentation
bin1011101000110…
…0010010000011
310101211202111010
42322030102003
544443342331
64502052003
71131604362
oct272142203
9111752433
1048809091
1125607aa1
121441a003
13a15c326
1466a77d9
154441e46
hex2e8c483

48809091 has 8 divisors (see below), whose sum is σ = 68907024. Its totient is φ = 30625280.

The previous prime is 48809087. The next prime is 48809093. The reversal of 48809091 is 19090884.

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

It is a cyclic number.

It is not a de Polignac number, because 48809091 - 22 = 48809087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (48809093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478470 + ... + 478571.

It is an arithmetic number, because the mean of its divisors is an integer number (8613378).

Almost surely, 248809091 is an apocalyptic number.

48809091 is a deficient number, since it is larger than the sum of its proper divisors (20097933).

48809091 is a wasteful number, since it uses less digits than its factorization.

48809091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 957061.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 48809091 is about 6986.3503347599. The cubic root of 48809091 is about 365.4547181943.

The spelling of 48809091 in words is "forty-eight million, eight hundred nine thousand, ninety-one".

Divisors: 1 3 17 51 957041 2871123 16269697 48809091