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48168020 = 2257393259
BaseRepresentation
bin1011011110111…
…1110001010100
310100122012002202
42313233301110
544312334040
64440224032
71123264355
oct267576124
9110565082
1048168020
112520a38a
121416b018
139c965b4
14657bd2c
154367015
hex2defc54

48168020 has 24 divisors (see below), whose sum is σ = 101320800. Its totient is φ = 19235232.

The previous prime is 48168019. The next prime is 48168023. The reversal of 48168020 is 2086184.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48168023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13151 + ... + 16409.

It is an arithmetic number, because the mean of its divisors is an integer number (4221700).

Almost surely, 248168020 is an apocalyptic number.

It is an amenable number.

48168020 is an abundant number, since it is smaller than the sum of its proper divisors (53152780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48168020 is a wasteful number, since it uses less digits than its factorization.

48168020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007 (or 4005 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 48168020 is about 6940.3184364984. The cubic root of 48168020 is about 363.8476700285.

The spelling of 48168020 in words is "forty-eight million, one hundred sixty-eight thousand, twenty".

Divisors: 1 2 4 5 10 20 739 1478 2956 3259 3695 6518 7390 13036 14780 16295 32590 65180 2408401 4816802 9633604 12042005 24084010 48168020