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2272800 = 25352947
BaseRepresentation
bin1000101010111000100000
311021110200210
420222320200
51040212200
6120414120
725214145
oct10527040
94243623
102272800
111312652
12917340
1361766a
144323cc
152ed650
hex22ae20

2272800 has 72 divisors (see below), whose sum is σ = 7405776. Its totient is φ = 605440.

The previous prime is 2272771. The next prime is 2272811. The reversal of 2272800 is 82722.

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, 1927 + ... + 2873.

It is an arithmetic number, because the mean of its divisors is an integer number (102858).

22272800 is an apocalyptic number.

2272800 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 2272800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3702888).

2272800 is an abundant number, since it is smaller than the sum of its proper divisors (5132976).

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

2272800 is a wasteful number, since it uses less digits than its factorization.

2272800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 970 (or 957 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 2272800 is about 1507.5808436034. The cubic root of 2272800 is about 131.4781971206.

The spelling of 2272800 in words is "two million, two hundred seventy-two thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 75 80 96 100 120 150 160 200 240 300 400 480 600 800 947 1200 1894 2400 2841 3788 4735 5682 7576 9470 11364 14205 15152 18940 22728 23675 28410 30304 37880 45456 47350 56820 71025 75760 90912 94700 113640 142050 151520 189400 227280 284100 378800 454560 568200 757600 1136400 2272800