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48020819 = 7111135519
BaseRepresentation
bin1011011100101…
…1110101010011
310100100201011212
42313023311103
544243131234
64433130335
71122112250
oct267136523
9110321155
1048020819
1125119830
12140b99ab
139c445b2
146540427
1543385ce
hex2dcbd53

48020819 has 16 divisors (see below), whose sum is σ = 60410880. Its totient is φ = 37080960.

The previous prime is 48020813. The next prime is 48020827. The reversal of 48020819 is 91802084.

It is a happy number.

It is not a de Polignac number, because 48020819 - 220 = 46972243 is a prime.

It is a super-2 number, since 2×480208192 = 4611998114861522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (48020813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5942 + ... + 11460.

It is an arithmetic number, because the mean of its divisors is an integer number (3775680).

Almost surely, 248020819 is an apocalyptic number.

48020819 is a deficient number, since it is larger than the sum of its proper divisors (12390061).

48020819 is a wasteful number, since it uses less digits than its factorization.

48020819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5650.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 48020819 is about 6929.7055493001. The cubic root of 48020819 is about 363.4766535185.

The spelling of 48020819 in words is "forty-eight million, twenty thousand, eight hundred nineteen".

Divisors: 1 7 11 77 113 791 1243 5519 8701 38633 60709 424963 623647 4365529 6860117 48020819