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4028248 = 23771933
BaseRepresentation
bin1111010111011101011000
321120122201101
433113131120
52012400443
6222201144
746145110
oct17273530
97518641
104028248
112301534
1214231b4
13ab06a3
1476c040
1554884d
hex3d7758

4028248 has 16 divisors (see below), whose sum is σ = 8632080. Its totient is φ = 1726368.

The previous prime is 4028231. The next prime is 4028251. The reversal of 4028248 is 8428204.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35911 + ... + 36022.

It is an arithmetic number, because the mean of its divisors is an integer number (539505).

Almost surely, 24028248 is an apocalyptic number.

It is an amenable number.

4028248 is an abundant number, since it is smaller than the sum of its proper divisors (4603832).

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

4028248 is a wasteful number, since it uses less digits than its factorization.

4028248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71946 (or 71942 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The square root of 4028248 is about 2007.0495758700. The cubic root of 4028248 is about 159.1129032103.

The spelling of 4028248 in words is "four million, twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 4 7 8 14 28 56 71933 143866 287732 503531 575464 1007062 2014124 4028248