Search a number
-
+
44442210 = 23523292221
BaseRepresentation
bin1010100110001…
…0001001100010
310002121220020210
42221202021202
542334122320
64224314550
71046516061
oct251421142
9102556223
1044442210
11230a50aa
1212a72a56
139290787
145c8c1d8
153d7d0e0
hex2a62262

44442210 has 64 divisors (see below), whose sum is σ = 115188480. Its totient is φ = 10940160.

The previous prime is 44442193. The next prime is 44442227. The reversal of 44442210 is 1224444.

It is an interprime number because it is at equal distance from previous prime (44442193) and next prime (44442227).

It is a super-3 number, since 3×444422103 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a nialpdrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18900 + ... + 21120.

It is an arithmetic number, because the mean of its divisors is an integer number (1799820).

Almost surely, 244442210 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44442210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57594240).

44442210 is an abundant number, since it is smaller than the sum of its proper divisors (70746270).

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

44442210 is a wasteful number, since it uses less digits than its factorization.

44442210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2283.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 44442210 is about 6666.4990812270. The cubic root of 44442210 is about 354.2135868325.

Adding to 44442210 its reverse (1224444), we get a palindrome (45666654).

The spelling of 44442210 in words is "forty-four million, four hundred forty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 23 29 30 46 58 69 87 115 138 145 174 230 290 345 435 667 690 870 1334 2001 2221 3335 4002 4442 6663 6670 10005 11105 13326 20010 22210 33315 51083 64409 66630 102166 128818 153249 193227 255415 306498 322045 386454 510830 644090 766245 966135 1481407 1532490 1932270 2962814 4444221 7407035 8888442 14814070 22221105 44442210