Search a number
-
+
3249120 = 25357967
BaseRepresentation
bin1100011001001111100000
320010001221210
430121033200
51312432440
6153350120
736421440
oct14311740
96101853
103249120
11191a126
121108340
13899b74
14608120
15442a80
hex3193e0

3249120 has 96 divisors (see below), whose sum is σ = 11708928. Its totient is φ = 741888.

The previous prime is 3249109. The next prime is 3249137. The reversal of 3249120 is 219423.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877 + ... + 3843.

It is an arithmetic number, because the mean of its divisors is an integer number (121968).

Almost surely, 23249120 is an apocalyptic number.

3249120 is a gapful number since it is divisible by the number (30) 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 3249120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5854464).

3249120 is an abundant number, since it is smaller than the sum of its proper divisors (8459808).

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

3249120 is a wasteful number, since it uses less digits than its factorization.

3249120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3249120 is about 1802.5315531219. The cubic root of 3249120 is about 148.1114330005. Note that the first 3 decimals are identical.

The spelling of 3249120 in words is "three million, two hundred forty-nine thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 70 80 84 96 105 112 120 140 160 168 210 224 240 280 336 420 480 560 672 840 967 1120 1680 1934 2901 3360 3868 4835 5802 6769 7736 9670 11604 13538 14505 15472 19340 20307 23208 27076 29010 30944 33845 38680 40614 46416 54152 58020 67690 77360 81228 92832 101535 108304 116040 135380 154720 162456 203070 216608 232080 270760 324912 406140 464160 541520 649824 812280 1083040 1624560 3249120