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441869920 = 2557197401
BaseRepresentation
bin11010010101100…
…110011001100000
31010210110022120121
4122111212121200
51401104314140
6111502450024
713643555332
oct3225463140
91123408517
10441869920
11207473458
12103b93914
13707112bb
1442983452
1528bd464a
hex1a566660

441869920 has 96 divisors (see below), whose sum is σ = 1072201536. Its totient is φ = 172032000.

The previous prime is 441869917. The next prime is 441869921. The reversal of 441869920 is 29968144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441869921) 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 15 ways as a sum of consecutive naturals, for example, 1101720 + ... + 1102120.

It is an arithmetic number, because the mean of its divisors is an integer number (11168766).

Almost surely, 2441869920 is an apocalyptic number.

441869920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441869920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (536100768).

441869920 is an abundant number, since it is smaller than the sum of its proper divisors (630331616).

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

441869920 is a wasteful number, since it uses less digits than its factorization.

441869920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 43.

The square root of 441869920 is about 21020.7021766638. The cubic root of 441869920 is about 761.6664265143. Note that the first 3 decimals are identical.

The spelling of 441869920 in words is "four hundred forty-one million, eight hundred sixty-nine thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 71 80 97 142 160 194 284 355 388 401 485 568 710 776 802 970 1136 1420 1552 1604 1940 2005 2272 2840 3104 3208 3880 4010 5680 6416 6887 7760 8020 11360 12832 13774 15520 16040 27548 28471 32080 34435 38897 55096 56942 64160 68870 77794 110192 113884 137740 142355 155588 194485 220384 227768 275480 284710 311176 388970 455536 550960 569420 622352 777940 911072 1101920 1138840 1244704 1555880 2277680 2761687 3111760 4555360 5523374 6223520 11046748 13808435 22093496 27616870 44186992 55233740 88373984 110467480 220934960 441869920