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2985444 = 2233711359
BaseRepresentation
bin1011011000110111100100
312121200021000
423120313210
51231013234
6143553300
734242630
oct13306744
95550230
102985444
11175a010
12bbb830
13806b47
14579dc0
153de899
hex2d8de4

2985444 has 96 divisors (see below), whose sum is σ = 9676800. Its totient is φ = 773280.

The previous prime is 2985443. The next prime is 2985457. The reversal of 2985444 is 4445892.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an Ulam number.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2985399 and 2985408.

It is not an unprimeable number, because it can be changed into a prime (2985443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8137 + ... + 8495.

It is an arithmetic number, because the mean of its divisors is an integer number (100800).

22985444 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 2985444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4838400).

2985444 is an abundant number, since it is smaller than the sum of its proper divisors (6691356).

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

2985444 is a wasteful number, since it uses less digits than its factorization.

2985444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 382 counting only the distinct ones).

The product of its digits is 46080, while the sum is 36.

The square root of 2985444 is about 1727.8437429351. The cubic root of 2985444 is about 143.9913189211.

The spelling of 2985444 in words is "two million, nine hundred eighty-five thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 84 99 108 126 132 154 189 198 231 252 297 308 359 378 396 462 594 693 718 756 924 1077 1188 1386 1436 2079 2154 2513 2772 3231 3949 4158 4308 5026 6462 7539 7898 8316 9693 10052 11847 12924 15078 15796 19386 22617 23694 27643 30156 35541 38772 45234 47388 55286 67851 71082 82929 90468 106623 110572 135702 142164 165858 213246 248787 271404 331716 426492 497574 746361 995148 1492722 2985444