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2985216 = 28313223
BaseRepresentation
bin1011011000110100000000
312121122221120
423120310000
51231011331
6143552240
734242153
oct13306400
95548846
102985216
111759923
12bbb680
13806a00
14579c9a
153de796
hex2d8d00

2985216 has 108 divisors (see below), whose sum is σ = 8977248. Its totient is φ = 878592.

The previous prime is 2985211. The next prime is 2985221. The reversal of 2985216 is 6125892.

It is an interprime number because it is at equal distance from previous prime (2985211) and next prime (2985221).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2985211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129781 + ... + 129803.

22985216 is an apocalyptic number.

2985216 is a gapful number since it is divisible by the number (26) 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 2985216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4488624).

2985216 is an abundant number, since it is smaller than the sum of its proper divisors (5992032).

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

2985216 is a wasteful number, since it uses less digits than its factorization.

2985216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 41 counting only the distinct ones).

The product of its digits is 8640, while the sum is 33.

The square root of 2985216 is about 1727.7777634870. Note that the first 4 decimals coincide. The cubic root of 2985216 is about 143.9876532624.

The spelling of 2985216 in words is "two million, nine hundred eighty-five thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 16 23 24 26 32 39 46 48 52 64 69 78 92 96 104 128 138 156 169 184 192 208 256 276 299 312 338 368 384 416 507 552 598 624 676 736 768 832 897 1014 1104 1196 1248 1352 1472 1664 1794 2028 2208 2392 2496 2704 2944 3328 3588 3887 4056 4416 4784 4992 5408 5888 7176 7774 8112 8832 9568 9984 10816 11661 14352 15548 16224 17664 19136 21632 23322 28704 31096 32448 38272 43264 46644 57408 62192 64896 76544 93288 114816 124384 129792 186576 229632 248768 373152 497536 746304 995072 1492608 2985216