Search a number
-
+
4097280 = 28351197
BaseRepresentation
bin1111101000010100000000
321201011102010
433220110000
52022103110
6223452520
746553265
oct17502400
97634363
104097280
112349390
121457140
13b05c35
1478926c
1555e020
hex3e8500

4097280 has 144 divisors (see below), whose sum is σ = 14422464. Its totient is φ = 983040.

The previous prime is 4097279. The next prime is 4097281. The reversal of 4097280 is 827904.

It is an interprime number because it is at equal distance from previous prime (4097279) and next prime (4097281).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4097281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42192 + ... + 42288.

It is an arithmetic number, because the mean of its divisors is an integer number (100156).

Almost surely, 24097280 is an apocalyptic number.

4097280 is a gapful number since it is divisible by the number (40) 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 4097280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7211232).

4097280 is an abundant number, since it is smaller than the sum of its proper divisors (10325184).

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

4097280 is a wasteful number, since it uses less digits than its factorization.

4097280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 4097280 is about 2024.1739055723. The cubic root of 4097280 is about 160.0166649309.

The spelling of 4097280 in words is "four million, ninety-seven thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 64 66 80 88 96 97 110 120 128 132 160 165 176 192 194 220 240 256 264 291 320 330 352 384 388 440 480 485 528 582 640 660 704 768 776 880 960 970 1056 1067 1164 1280 1320 1408 1455 1552 1760 1920 1940 2112 2134 2328 2640 2816 2910 3104 3201 3520 3840 3880 4224 4268 4656 5280 5335 5820 6208 6402 7040 7760 8448 8536 9312 10560 10670 11640 12416 12804 14080 15520 16005 17072 18624 21120 21340 23280 24832 25608 31040 32010 34144 37248 42240 42680 46560 51216 62080 64020 68288 74496 85360 93120 102432 124160 128040 136576 170720 186240 204864 256080 273152 341440 372480 409728 512160 682880 819456 1024320 1365760 2048640 4097280