Search a number
-
+
44550660 = 22357119643
BaseRepresentation
bin1010100111110…
…0101000000100
310002211102000110
42221330220010
542401110120
64230513020
71050450210
oct251745004
9102742013
1044550660
1123169630
1212b05770
1392cac4b
145cb9940
153da02e0
hex2a7ca04

44550660 has 96 divisors (see below), whose sum is σ = 155538432. Its totient is φ = 9256320.

The previous prime is 44550647. The next prime is 44550661. The reversal of 44550660 is 6605544.

It is a super-2 number, since 2×445506602 = 3969522612871200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (44550661) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 202 + ... + 9441.

It is an arithmetic number, because the mean of its divisors is an integer number (1620192).

Almost surely, 244550660 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 44550660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77769216).

44550660 is an abundant number, since it is smaller than the sum of its proper divisors (110987772).

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

44550660 is a wasteful number, since it uses less digits than its factorization.

44550660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9673 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 44550660 is about 6674.6280795262. The cubic root of 44550660 is about 354.5014757475.

Subtracting from 44550660 its reverse (6605544), we obtain a triangular number (37945116 = T8711).

The spelling of 44550660 in words is "forty-four million, five hundred fifty thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 7 10 11 12 14 15 20 21 22 28 30 33 35 42 44 55 60 66 70 77 84 105 110 132 140 154 165 210 220 231 308 330 385 420 462 660 770 924 1155 1540 2310 4620 9643 19286 28929 38572 48215 57858 67501 96430 106073 115716 135002 144645 192860 202503 212146 270004 289290 318219 337505 405006 424292 530365 578580 636438 675010 742511 810012 1012515 1060730 1272876 1350020 1485022 1591095 2025030 2121460 2227533 2970044 3182190 3712555 4050060 4455066 6364380 7425110 8910132 11137665 14850220 22275330 44550660