Search a number
-
+
8481056 = 25475639
BaseRepresentation
bin100000010110…
…100100100000
3120221212211012
4200112210200
54132343211
6501440052
7132042053
oct40264440
916855735
108481056
114872a41
122a10028
1319ac39c
1411aaa9a
15b27d8b
hex816920

8481056 has 24 divisors (see below), whose sum is σ = 17055360. Its totient is φ = 4149568.

The previous prime is 8480987. The next prime is 8481059. The reversal of 8481056 is 6501848.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (8481059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316 + ... + 4323.

It is an arithmetic number, because the mean of its divisors is an integer number (710640).

Almost surely, 28481056 is an apocalyptic number.

It is an amenable number.

8481056 is an abundant number, since it is smaller than the sum of its proper divisors (8574304).

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

8481056 is a wasteful number, since it uses less digits than its factorization.

8481056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5696 (or 5688 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 8481056 is about 2912.2252660122. The cubic root of 8481056 is about 203.9310288433.

The spelling of 8481056 in words is "eight million, four hundred eighty-one thousand, fifty-six".

Divisors: 1 2 4 8 16 32 47 94 188 376 752 1504 5639 11278 22556 45112 90224 180448 265033 530066 1060132 2120264 4240528 8481056