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2801304 = 233511131
BaseRepresentation
bin1010101011111010011000
312021022200000
422223322120
51204120204
6140013000
732545032
oct12537230
95238600
102801304
111643730
12b31160
1377109c
1452cc52
153a5039
hex2abe98

2801304 has 96 divisors (see below), whose sum is σ = 8648640. Its totient is φ = 842400.

The previous prime is 2801299. The next prime is 2801317. The reversal of 2801304 is 4031082.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 21319 + ... + 21449.

It is an arithmetic number, because the mean of its divisors is an integer number (90090).

22801304 is an apocalyptic number.

2801304 is a gapful number since it is divisible by the number (24) 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 2801304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4324320).

2801304 is an abundant number, since it is smaller than the sum of its proper divisors (5847336).

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

2801304 is a wasteful number, since it uses less digits than its factorization.

2801304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2801304 is about 1673.7096522396. The cubic root of 2801304 is about 140.9678514302.

Adding to 2801304 its reverse (4031082), we get a palindrome (6832386).

The spelling of 2801304 in words is "two million, eight hundred one thousand, three hundred four".

Divisors: 1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 54 66 72 81 88 99 108 131 132 162 198 216 243 262 264 297 324 393 396 486 524 594 648 786 792 891 972 1048 1179 1188 1441 1572 1782 1944 2358 2376 2673 2882 3144 3537 3564 4323 4716 5346 5764 7074 7128 8646 9432 10611 10692 11528 12969 14148 17292 21222 21384 25938 28296 31833 34584 38907 42444 51876 63666 77814 84888 103752 116721 127332 155628 233442 254664 311256 350163 466884 700326 933768 1400652 2801304