Search a number
-
+
2270880 = 253251983
BaseRepresentation
bin1000101010011010100000
311021101001200
420222122200
51040132010
6120401200
725205433
oct10523240
94241050
102270880
111311167
12916200
13616821
1443181a
152eccc0
hex22a6a0

2270880 has 144 divisors (see below), whose sum is σ = 8255520. Its totient is φ = 566784.

The previous prime is 2270839. The next prime is 2270893. The reversal of 2270880 is 880722.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27319 + ... + 27401.

It is an arithmetic number, because the mean of its divisors is an integer number (57330).

22270880 is an apocalyptic number.

2270880 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 2270880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4127760).

2270880 is an abundant number, since it is smaller than the sum of its proper divisors (5984640).

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

2270880 is a wasteful number, since it uses less digits than its factorization.

2270880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 2270880 is about 1506.9439272913. The cubic root of 2270880 is about 131.4411636148.

The spelling of 2270880 in words is "two million, two hundred seventy thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 30 32 36 38 40 45 48 57 60 72 76 80 83 90 95 96 114 120 144 152 160 166 171 180 190 228 240 249 285 288 304 332 342 360 380 415 456 480 498 570 608 664 684 720 747 760 830 855 912 996 1140 1245 1328 1368 1440 1494 1520 1577 1660 1710 1824 1992 2280 2490 2656 2736 2988 3040 3154 3320 3420 3735 3984 4560 4731 4980 5472 5976 6308 6640 6840 7470 7885 7968 9120 9462 9960 11952 12616 13280 13680 14193 14940 15770 18924 19920 23655 23904 25232 27360 28386 29880 31540 37848 39840 47310 50464 56772 59760 63080 70965 75696 94620 113544 119520 126160 141930 151392 189240 227088 252320 283860 378480 454176 567720 756960 1135440 2270880