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4028752 = 247132767
BaseRepresentation
bin1111010111100101010000
321120200102001
433113211100
52012410002
6222203344
746146430
oct17274520
97520361
104028752
112301952
121423554
13ab09a0
1476c2c0
15548a87
hex3d7950

4028752 has 40 divisors (see below), whose sum is σ = 9610496. Its totient is φ = 1593216.

The previous prime is 4028747. The next prime is 4028771. The reversal of 4028752 is 2578204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4028752.

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, 73 + ... + 2839.

Almost surely, 24028752 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 4028752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4805248).

4028752 is an abundant number, since it is smaller than the sum of its proper divisors (5581744).

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

4028752 is a wasteful number, since it uses less digits than its factorization.

4028752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2795 (or 2789 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 4028752 is about 2007.1751293796. The cubic root of 4028752 is about 159.1195388129.

The spelling of 4028752 in words is "four million, twenty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 52 56 91 104 112 182 208 364 728 1456 2767 5534 11068 19369 22136 35971 38738 44272 71942 77476 143884 154952 251797 287768 309904 503594 575536 1007188 2014376 4028752