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245443044 = 223711491541
BaseRepresentation
bin11101010000100…
…10100111100100
3122002211210120010
432220102213210
51000313134134
640204410220
76040142250
oct1650224744
9562753503
10245443044
11116600aa0
126a246970
133bb08492
1424851260
1516833ce9
hexea129e4

245443044 has 96 divisors (see below), whose sum is σ = 716792832. Its totient is φ = 63504000.

The previous prime is 245443031. The next prime is 245443049. The reversal of 245443044 is 440344542.

245443044 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (245443049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 453414 + ... + 453954.

It is an arithmetic number, because the mean of its divisors is an integer number (7466592).

Almost surely, 2245443044 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 245443044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (358396416).

245443044 is an abundant number, since it is smaller than the sum of its proper divisors (471349788).

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

245443044 is a wasteful number, since it uses less digits than its factorization.

245443044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1057 (or 1055 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 245443044 is about 15666.6219715675. The cubic root of 245443044 is about 626.1094270560.

Adding to 245443044 its reverse (440344542), we get a palindrome (685787586).

The spelling of 245443044 in words is "two hundred forty-five million, four hundred forty-three thousand, forty-four".

Divisors: 1 2 3 4 6 7 11 12 14 21 22 28 33 42 44 66 77 84 132 154 231 308 462 491 541 924 982 1082 1473 1623 1964 2164 2946 3246 3437 3787 5401 5892 5951 6492 6874 7574 10311 10802 11361 11902 13748 15148 16203 17853 20622 21604 22722 23804 32406 35706 37807 41244 41657 45444 64812 71412 75614 83314 113421 124971 151228 166628 226842 249942 265631 453684 499884 531262 796893 1062524 1593786 1859417 2921941 3187572 3718834 5578251 5843882 7437668 8765823 11156502 11687764 17531646 20453587 22313004 35063292 40907174 61360761 81814348 122721522 245443044