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20484024 = 2331177591
BaseRepresentation
bin100111000100…
…0111110111000
31102112200210120
41032020332320
520220442044
62011013240
7336053121
oct116107670
942480716
1020484024
1110620a50
126a3a220
134322832
142a13048
151be9519
hex1388fb8

20484024 has 32 divisors (see below), whose sum is σ = 55866240. Its totient is φ = 6207200.

The previous prime is 20484017. The next prime is 20484049. The reversal of 20484024 is 42048402.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 20483985 and 20484003.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38532 + ... + 39059.

It is an arithmetic number, because the mean of its divisors is an integer number (1745820).

Almost surely, 220484024 is an apocalyptic number.

20484024 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

20484024 is an abundant number, since it is smaller than the sum of its proper divisors (35382216).

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

20484024 is a wasteful number, since it uses less digits than its factorization.

20484024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77611 (or 77607 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 20484024 is about 4525.9279711458. The cubic root of 20484024 is about 273.6140694177.

The spelling of 20484024 in words is "twenty million, four hundred eighty-four thousand, twenty-four".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 77591 155182 232773 310364 465546 620728 853501 931092 1707002 1862184 2560503 3414004 5121006 6828008 10242012 20484024