Search a number
-
+
8939672 = 237612617
BaseRepresentation
bin100010000110…
…100010011000
3121211011220222
4202012202120
54242032142
6515335212
7135662120
oct42064230
917734828
108939672
115056565
122bb1508
131b10061
141289c80
15bb8bd2
hex886898

8939672 has 32 divisors (see below), whose sum is σ = 19477920. Its totient is φ = 3767040.

The previous prime is 8939597. The next prime is 8939699. The reversal of 8939672 is 2769398.

It is a d-powerful number, because it can be written as 83 + 92 + 37 + 96 + 62 + 75 + 223 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2108 + ... + 4724.

It is an arithmetic number, because the mean of its divisors is an integer number (608685).

Almost surely, 28939672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8939672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9738960).

8939672 is an abundant number, since it is smaller than the sum of its proper divisors (10538248).

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

8939672 is a wasteful number, since it uses less digits than its factorization.

8939672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2691 (or 2687 counting only the distinct ones).

The product of its digits is 163296, while the sum is 44.

The square root of 8939672 is about 2989.9284272370. The cubic root of 8939672 is about 207.5425721911.

The spelling of 8939672 in words is "eight million, nine hundred thirty-nine thousand, six hundred seventy-two".

Divisors: 1 2 4 7 8 14 28 56 61 122 244 427 488 854 1708 2617 3416 5234 10468 18319 20936 36638 73276 146552 159637 319274 638548 1117459 1277096 2234918 4469836 8939672