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4028024 = 2371113503
BaseRepresentation
bin1111010111011001111000
321120122102002
433113121320
52012344044
6222200132
746144340
oct17273170
97518362
104028024
112301350
121423048
13ab0560
1476bd20
1554874e
hex3d7678

4028024 has 64 divisors (see below), whose sum is σ = 10160640. Its totient is φ = 1445760.

The previous prime is 4028009. The next prime is 4028069. The reversal of 4028024 is 4208204.

It is a junction number, because it is equal to n+sod(n) for n = 4027987 and 4028005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7757 + ... + 8259.

It is an arithmetic number, because the mean of its divisors is an integer number (158760).

Almost surely, 24028024 is an apocalyptic number.

4028024 is a gapful number since it is divisible by the number (44) 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 4028024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5080320).

4028024 is an abundant number, since it is smaller than the sum of its proper divisors (6132616).

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

4028024 is a wasteful number, since it uses less digits than its factorization.

4028024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4028024 is about 2006.9937717890. The cubic root of 4028024 is about 159.1099538759.

It can be divided in two parts, 40280 and 24, that added together give a palindrome (40304).

The spelling of 4028024 in words is "four million, twenty-eight thousand, twenty-four".

Divisors: 1 2 4 7 8 11 13 14 22 26 28 44 52 56 77 88 91 104 143 154 182 286 308 364 503 572 616 728 1001 1006 1144 2002 2012 3521 4004 4024 5533 6539 7042 8008 11066 13078 14084 22132 26156 28168 38731 44264 45773 52312 71929 77462 91546 143858 154924 183092 287716 309848 366184 503503 575432 1007006 2014012 4028024