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2028672 = 2733587
BaseRepresentation
bin111101111010010000000
310211001211000
413233102000
51004404142
6111252000
723146332
oct7572200
93731730
102028672
111166198
1281a000
135604c9
143ab452
152a114c
hex1ef480

2028672 has 64 divisors (see below), whose sum is σ = 5997600. Its totient is φ = 675072.

The previous prime is 2028667. The next prime is 2028679. The reversal of 2028672 is 2768202.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2028679) 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, 3163 + ... + 3749.

22028672 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 2028672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2998800).

2028672 is an abundant number, since it is smaller than the sum of its proper divisors (3968928).

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

2028672 is an equidigital number, since it uses as much as digits as its factorization.

2028672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 2028672 is about 1424.3145719959. The cubic root of 2028672 is about 126.5913248475.

The spelling of 2028672 in words is "two million, twenty-eight thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 288 384 432 576 587 864 1152 1174 1728 1761 2348 3456 3522 4696 5283 7044 9392 10566 14088 15849 18784 21132 28176 31698 37568 42264 56352 63396 75136 84528 112704 126792 169056 225408 253584 338112 507168 676224 1014336 2028672