Search a number
-
+
2906800 = 245213243
BaseRepresentation
bin1011000101101010110000
312110200101021
423011222300
51221004200
6142145224
733464431
oct13055260
95420337
102906800
111705a16
12b82214
137aa100
14559488
153c641a
hex2c5ab0

2906800 has 90 divisors (see below), whose sum is σ = 7737972. Its totient is φ = 1048320.

The previous prime is 2906747. The next prime is 2906801. The reversal of 2906800 is 86092.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (2906801) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67579 + ... + 67621.

22906800 is an apocalyptic number.

2906800 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 2906800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3868986).

2906800 is an abundant number, since it is smaller than the sum of its proper divisors (4831172).

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

2906800 is a wasteful number, since it uses less digits than its factorization.

2906800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87 (or 63 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2906800 is about 1704.9340163185. The cubic root of 2906800 is about 142.7156885524.

The spelling of 2906800 in words is "two million, nine hundred six thousand, eight hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 40 43 50 52 65 80 86 100 104 130 169 172 200 208 215 260 325 338 344 400 430 520 559 650 676 688 845 860 1040 1075 1118 1300 1352 1690 1720 2150 2236 2600 2704 2795 3380 3440 4225 4300 4472 5200 5590 6760 7267 8450 8600 8944 11180 13520 13975 14534 16900 17200 22360 27950 29068 33800 36335 44720 55900 58136 67600 72670 111800 116272 145340 181675 223600 290680 363350 581360 726700 1453400 2906800