Search a number
-
+
8125472 = 25318191
BaseRepresentation
bin11110111111110000100000
3120021211001102
4132333300200
54040003342
6450053532
7126031265
oct36776040
916254042
108125472
11464a873
12287a2a8
1318b6594
14111726c
15aa7832
hex7bfc20

8125472 has 24 divisors (see below), whose sum is σ = 16515072. Its totient is φ = 3931200.

The previous prime is 8125457. The next prime is 8125499. The reversal of 8125472 is 2745218.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3104 + ... + 5087.

It is an arithmetic number, because the mean of its divisors is an integer number (688128).

Almost surely, 28125472 is an apocalyptic number.

It is an amenable number.

8125472 is an abundant number, since it is smaller than the sum of its proper divisors (8389600).

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

8125472 is a wasteful number, since it uses less digits than its factorization.

8125472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8232 (or 8224 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 8125472 is about 2850.5213558225. The cubic root of 8125472 is about 201.0401807414.

The spelling of 8125472 in words is "eight million, one hundred twenty-five thousand, four hundred seventy-two".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 8191 16382 32764 65528 131056 253921 262112 507842 1015684 2031368 4062736 8125472