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8350480 = 245104381
BaseRepresentation
bin11111110110101100010000
3120201020201001
4133312230100
54114203410
6454551344
7130656265
oct37665420
916636631
108350480
114793926
122968554
131964b18
14117526c
15aee33a
hex7f6b10

8350480 has 20 divisors (see below), whose sum is σ = 19415052. Its totient is φ = 3340160.

The previous prime is 8350469. The next prime is 8350483. The reversal of 8350480 is 840538.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 3873024 = 2116^2 + 1968^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (8350483) by changing a digit.

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, 52111 + ... + 52270.

Almost surely, 28350480 is an apocalyptic number.

8350480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8350480 is an abundant number, since it is smaller than the sum of its proper divisors (11064572).

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

8350480 is a wasteful number, since it uses less digits than its factorization.

8350480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104394 (or 104388 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 8350480 is about 2889.7197095912. The cubic root of 8350480 is about 202.8790239100.

The spelling of 8350480 in words is "eight million, three hundred fifty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 104381 208762 417524 521905 835048 1043810 1670096 2087620 4175240 8350480