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3812028 = 2231128879
BaseRepresentation
bin1110100010101010111100
321011200010020
432202222330
51433441103
6213412140
744254533
oct16425274
97150106
103812028
112174040
12133a050
13a3614c
1471331a
15504753
hex3a2abc

3812028 has 24 divisors (see below), whose sum is σ = 9703680. Its totient is φ = 1155120.

The previous prime is 3812023. The next prime is 3812033. The reversal of 3812028 is 8202183.

It is an interprime number because it is at equal distance from previous prime (3812023) and next prime (3812033).

It is a junction number, because it is equal to n+sod(n) for n = 3811989 and 3812007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3812023) 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, 14308 + ... + 14571.

It is an arithmetic number, because the mean of its divisors is an integer number (404320).

Almost surely, 23812028 is an apocalyptic number.

It is an amenable number.

3812028 is an abundant number, since it is smaller than the sum of its proper divisors (5891652).

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

3812028 is a wasteful number, since it uses less digits than its factorization.

3812028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28897 (or 28895 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 3812028 is about 1952.4415484208. The cubic root of 3812028 is about 156.2135471229.

The spelling of 3812028 in words is "three million, eight hundred twelve thousand, twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 28879 57758 86637 115516 173274 317669 346548 635338 953007 1270676 1906014 3812028