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2888000 = 2653192
BaseRepresentation
bin1011000001000101000000
312102201120222
423001011000
51214404000
6141522212
733355553
oct13010500
95381528
102888000
1116a2885
12b73368
137a169b
1455269a
153c0a85
hex2c1140

2888000 has 84 divisors (see below), whose sum is σ = 7548372. Its totient is φ = 1094400.

The previous prime is 2887993. The next prime is 2888021. The reversal of 2888000 is 8882.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 92416 + 2795584 = 304^2 + 1672^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 151991 + ... + 152009.

22888000 is an apocalyptic number.

2888000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2888000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3774186).

2888000 is an abundant number, since it is smaller than the sum of its proper divisors (4660372).

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

2888000 is an equidigital number, since it uses as much as digits as its factorization.

2888000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 26 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 2888000 is about 1699.4116628998. The cubic root of 2888000 is about 142.4073471780.

The spelling of 2888000 in words is "two million, eight hundred eighty-eight thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 32 38 40 50 64 76 80 95 100 125 152 160 190 200 250 304 320 361 380 400 475 500 608 722 760 800 950 1000 1216 1444 1520 1600 1805 1900 2000 2375 2888 3040 3610 3800 4000 4750 5776 6080 7220 7600 8000 9025 9500 11552 14440 15200 18050 19000 23104 28880 30400 36100 38000 45125 57760 72200 76000 90250 115520 144400 152000 180500 288800 361000 577600 722000 1444000 2888000