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8140480 = 26525439
BaseRepresentation
bin11111000011011011000000
3120022120122021
4133003123000
54040443410
6450251224
7126123115
oct37033300
916276567
108140480
114660077
122886b14
1318c036a
14111c90c
15aabeda
hex7c36c0

8140480 has 28 divisors (see below), whose sum is σ = 19385280. Its totient is φ = 3256064.

The previous prime is 8140441. The next prime is 8140519. The reversal of 8140480 is 840418.

It is an interprime number because it is at equal distance from previous prime (8140441) and next prime (8140519).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12400 + ... + 13039.

Almost surely, 28140480 is an apocalyptic number.

8140480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8140480 is an abundant number, since it is smaller than the sum of its proper divisors (11244800).

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

8140480 is a wasteful number, since it uses less digits than its factorization.

8140480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25456 (or 25446 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 25.

The square root of 8140480 is about 2853.1526422538. The cubic root of 8140480 is about 201.1638804398.

Adding to 8140480 its reverse (840418), we get a palindrome (8980898).

The spelling of 8140480 in words is "eight million, one hundred forty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 25439 50878 101756 127195 203512 254390 407024 508780 814048 1017560 1628096 2035120 4070240 8140480