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16048420 = 225802421
BaseRepresentation
bin111101001110…
…000100100100
31010012100021221
4331032010210
513102022140
61331550124
7253260253
oct75160444
933170257
1016048420
119071463
12545b344
13342b90b
1421ba79a
15162014a
hexf4e124

16048420 has 12 divisors (see below), whose sum is σ = 33701724. Its totient is φ = 6419360.

The previous prime is 16048399. The next prime is 16048423. The reversal of 16048420 is 2484061.

It can be written as a sum of positive squares in 2 ways, for example, as 11128896 + 4919524 = 3336^2 + 2218^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16048423) 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 3 ways as a sum of consecutive naturals, for example, 401191 + ... + 401230.

It is an arithmetic number, because the mean of its divisors is an integer number (2808477).

Almost surely, 216048420 is an apocalyptic number.

16048420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16048420 is an abundant number, since it is smaller than the sum of its proper divisors (17653304).

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

16048420 is a wasteful number, since it uses less digits than its factorization.

16048420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802430 (or 802428 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 16048420 is about 4006.0479278211. The cubic root of 16048420 is about 252.2381430678.

The spelling of 16048420 in words is "sixteen million, forty-eight thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 802421 1604842 3209684 4012105 8024210 16048420