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48820313 = 61800333
BaseRepresentation
bin1011101000111…
…1000001011001
310101212022212202
42322033001121
544444222223
64502215545
71131652163
oct272170131
9111768782
1048820313
1125615473
12144245b5
13a164479
1466ab933
154445428
hex2e8f059

48820313 has 4 divisors (see below), whose sum is σ = 49620708. Its totient is φ = 48019920.

The previous prime is 48820309. The next prime is 48820349. The reversal of 48820313 is 31302884.

It is a happy number.

48820313 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 can be written as a sum of positive squares in 2 ways, for example, as 559504 + 48260809 = 748^2 + 6947^2 .

It is a cyclic number.

It is not a de Polignac number, because 48820313 - 22 = 48820309 is a prime.

It is a super-2 number, since 2×488203132 = 4766845922835938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48820363) 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, 400106 + ... + 400227.

It is an arithmetic number, because the mean of its divisors is an integer number (12405177).

Almost surely, 248820313 is an apocalyptic number.

It is an amenable number.

48820313 is a deficient number, since it is larger than the sum of its proper divisors (800395).

48820313 is an equidigital number, since it uses as much as digits as its factorization.

48820313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800394.

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 48820313 is about 6987.1534261099. The cubic root of 48820313 is about 365.4827240330.

The spelling of 48820313 in words is "forty-eight million, eight hundred twenty thousand, three hundred thirteen".

Divisors: 1 61 800333 48820313