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8872028 = 22111729409
BaseRepresentation
bin100001110110…
…000001011100
3121200202010122
4201312001130
54232401103
6514054112
7135260654
oct41660134
917622118
108872028
11500a760
122b7a338
131ab8329
14126d364
15ba3b38
hex87605c

8872028 has 48 divisors (see below), whose sum is σ = 18597600. Its totient is φ = 3655680.

The previous prime is 8872009. The next prime is 8872037. The reversal of 8872028 is 8202788.

8872028 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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, 21488 + ... + 21896.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

Almost surely, 28872028 is an apocalyptic number.

It is an amenable number.

8872028 is an abundant number, since it is smaller than the sum of its proper divisors (9725572).

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

8872028 is a wasteful number, since it uses less digits than its factorization.

8872028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 35.

The square root of 8872028 is about 2978.5949707874. The cubic root of 8872028 is about 207.0177740734.

The spelling of 8872028 in words is "eight million, eight hundred seventy-two thousand, twenty-eight".

Divisors: 1 2 4 11 17 22 29 34 44 58 68 116 187 319 374 409 493 638 748 818 986 1276 1636 1972 4499 5423 6953 8998 10846 11861 13906 17996 21692 23722 27812 47444 76483 130471 152966 201637 260942 305932 403274 521884 806548 2218007 4436014 8872028