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3928148 = 227532647
BaseRepresentation
bin1110111111000001010100
321101120101222
432333001110
52001200043
6220105512
745250220
oct16770124
97346358
103928148
112243304
121395298
13a76c63
14743780
15528d68
hex3bf054

3928148 has 24 divisors (see below), whose sum is σ = 8007552. Its totient is φ = 1651104.

The previous prime is 3928123. The next prime is 3928151. The reversal of 3928148 is 8418293.

It is a happy number.

It is a super-3 number, since 3×39281483 (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161 + ... + 2807.

It is an arithmetic number, because the mean of its divisors is an integer number (333648).

Almost surely, 23928148 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3928148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4003776).

3928148 is an abundant number, since it is smaller than the sum of its proper divisors (4079404).

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

3928148 is a wasteful number, since it uses less digits than its factorization.

3928148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711 (or 2709 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 3928148 is about 1981.9555999063. The cubic root of 3928148 is about 157.7838737019.

The spelling of 3928148 in words is "three million, nine hundred twenty-eight thousand, one hundred forty-eight".

Divisors: 1 2 4 7 14 28 53 106 212 371 742 1484 2647 5294 10588 18529 37058 74116 140291 280582 561164 982037 1964074 3928148