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20441468 = 2271167431
BaseRepresentation
bin100110111111…
…0100101111100
31102110112102102
41031332211330
520213111333
62010044232
7335515055
oct115764574
942415372
1020441468
11105a1a83
126a19678
134309358
142a0172c
151bdbae8
hex137e97c

20441468 has 24 divisors (see below), whose sum is σ = 36578304. Its totient is φ = 9993200.

The previous prime is 20441467. The next prime is 20441471. The reversal of 20441468 is 86414402.

It is a super-2 number, since 2×204414682 = 835707227990048, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20441468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20441461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47213 + ... + 47643.

It is an arithmetic number, because the mean of its divisors is an integer number (1524096).

Almost surely, 220441468 is an apocalyptic number.

It is an amenable number.

20441468 is a deficient number, since it is larger than the sum of its proper divisors (16136836).

20441468 is a wasteful number, since it uses less digits than its factorization.

20441468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673 (or 671 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 20441468 is about 4521.2241705096. The cubic root of 20441468 is about 273.4244583472.

The spelling of 20441468 in words is "twenty million, four hundred forty-one thousand, four hundred sixty-eight".

Divisors: 1 2 4 71 142 167 284 334 431 668 862 1724 11857 23714 30601 47428 61202 71977 122404 143954 287908 5110367 10220734 20441468