Search a number
-
+
8407028 = 227259727
BaseRepresentation
bin100000000100…
…011111110100
3120211010021102
4200010133310
54123011103
6500105232
7131313200
oct40043764
916733242
108407028
114822363
122995218
131984796
14118bb00
15b10e88
hex8047f4

8407028 has 36 divisors (see below), whose sum is σ = 17428320. Its totient is φ = 3537072.

The previous prime is 8407001. The next prime is 8407037. The reversal of 8407028 is 8207048.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11201 + ... + 11927.

It is an arithmetic number, because the mean of its divisors is an integer number (484120).

Almost surely, 28407028 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 8407028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8714160).

8407028 is an abundant number, since it is smaller than the sum of its proper divisors (9021292).

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

8407028 is a wasteful number, since it uses less digits than its factorization.

8407028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804 (or 795 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 8407028 is about 2899.4875409286. The cubic root of 8407028 is about 203.3359478896.

The spelling of 8407028 in words is "eight million, four hundred seven thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 49 59 98 118 196 236 413 727 826 1454 1652 2891 2908 5089 5782 10178 11564 20356 35623 42893 71246 85786 142492 171572 300251 600502 1201004 2101757 4203514 8407028