Search a number
-
+
44221160 = 2356531693
BaseRepresentation
bin1010100010110…
…0001011101000
310002012200000202
42220230023220
542310034120
64215451332
71044605444
oct250541350
9102180022
1044221160
1122a64015
1212986b48
139213c89
145c31824
153d37875
hex2a2c2e8

44221160 has 32 divisors (see below), whose sum is σ = 99708840. Its totient is φ = 17650944.

The previous prime is 44221147. The next prime is 44221171. The reversal of 44221160 is 6112244.

It can be written as a sum of positive squares in 4 ways, for example, as 27394756 + 16826404 = 5234^2 + 4102^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25274 + ... + 26966.

Almost surely, 244221160 is an apocalyptic number.

44221160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44221160 is an abundant number, since it is smaller than the sum of its proper divisors (55487680).

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

44221160 is a wasteful number, since it uses less digits than its factorization.

44221160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357 (or 2353 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 44221160 is about 6649.8992473571. The cubic root of 44221160 is about 353.6253390863.

The spelling of 44221160 in words is "forty-four million, two hundred twenty-one thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 653 1306 1693 2612 3265 3386 5224 6530 6772 8465 13060 13544 16930 26120 33860 67720 1105529 2211058 4422116 5527645 8844232 11055290 22110580 44221160