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2353728 = 263132341
BaseRepresentation
bin1000111110101001000000
311102120201010
420332221000
51100304403
6122240520
726002116
oct10765100
94376633
102353728
111368433
12956140
13645450
14453ab6
15317603
hex23ea40

2353728 has 112 divisors (see below), whose sum is σ = 7168896. Its totient is φ = 675840.

The previous prime is 2353723. The next prime is 2353759. The reversal of 2353728 is 8273532.

It is an Ulam number.

It is a d-powerful number, because it can be written as 29 + 36 + 57 + 310 + 76 + 221 + 83 .

It is a junction number, because it is equal to n+sod(n) for n = 2353695 and 2353704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2353723) 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, 57388 + ... + 57428.

It is an arithmetic number, because the mean of its divisors is an integer number (64008).

22353728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2353728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3584448).

2353728 is an abundant number, since it is smaller than the sum of its proper divisors (4815168).

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

2353728 is a wasteful number, since it uses less digits than its factorization.

2353728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 82 counting only the distinct ones).

The product of its digits is 10080, while the sum is 30.

The square root of 2353728 is about 1534.1864293494. The cubic root of 2353728 is about 133.0205557389.

It can be divided in two parts, 2353 and 728, that added together give a triangular number (3081 = T78).

The spelling of 2353728 in words is "two million, three hundred fifty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 12 13 16 23 24 26 32 39 41 46 48 52 64 69 78 82 92 96 104 123 138 156 164 184 192 208 246 276 299 312 328 368 416 492 533 552 598 624 656 736 832 897 943 984 1066 1104 1196 1248 1312 1472 1599 1794 1886 1968 2132 2208 2392 2496 2624 2829 3198 3588 3772 3936 4264 4416 4784 5658 6396 7176 7544 7872 8528 9568 11316 12259 12792 14352 15088 17056 19136 22632 24518 25584 28704 30176 34112 36777 45264 49036 51168 57408 60352 73554 90528 98072 102336 147108 181056 196144 294216 392288 588432 784576 1176864 2353728