Search a number
-
+
1220034244 = 2211133835569
BaseRepresentation
bin100100010111000…
…0011111011000100
310011000201011100111
41020232003323010
54444312043434
6321021322404
742143056102
oct11056037304
93130634314
101220034244
1157674a870
122a0706404
131659ba370
14b8066c72
1572196964
hex48b83ec4

1220034244 has 48 divisors (see below), whose sum is σ = 2515322880. Its totient is φ = 510474240.

The previous prime is 1220034239. The next prime is 1220034259. The reversal of 1220034244 is 4424300221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216292 + ... + 221860.

It is an arithmetic number, because the mean of its divisors is an integer number (52402560).

Almost surely, 21220034244 is an apocalyptic number.

It is an amenable number.

1220034244 is an abundant number, since it is smaller than the sum of its proper divisors (1295288636).

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

1220034244 is a wasteful number, since it uses less digits than its factorization.

1220034244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5978 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1220034244 is about 34928.9885911402. The cubic root of 1220034244 is about 1068.5397275231.

Adding to 1220034244 its reverse (4424300221), we get a palindrome (5644334465).

The spelling of 1220034244 in words is "one billion, two hundred twenty million, thirty-four thousand, two hundred forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 383 572 766 1532 4213 4979 5569 8426 9958 11138 16852 19916 22276 54769 61259 72397 109538 122518 144794 219076 245036 289588 796367 1592734 2132927 3185468 4265854 8531708 23462197 27728051 46924394 55456102 93848788 110912204 305008561 610017122 1220034244