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2543480 = 23563587
BaseRepresentation
bin1001101100111101111000
311210012222222
421230331320
51122342410
6130303212
730422252
oct11547570
94705888
102543480
111487a55
12a27b08
136b0924
144a2cd2
15353955
hex26cf78

2543480 has 16 divisors (see below), whose sum is σ = 5722920. Its totient is φ = 1017376.

The previous prime is 2543479. The next prime is 2543507. The reversal of 2543480 is 843452.

It is a d-powerful number, because it can be written as 219 + 59 + 42 + 3 + 48 + 83 + 0 .

It is a congruent number.

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, 31754 + ... + 31833.

22543480 is an apocalyptic number.

2543480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2543480 is an abundant number, since it is smaller than the sum of its proper divisors (3179440).

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

2543480 is a wasteful number, since it uses less digits than its factorization.

2543480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63598 (or 63594 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 2543480 is about 1594.8291444540. The cubic root of 2543480 is about 136.5031821323.

The spelling of 2543480 in words is "two million, five hundred forty-three thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 63587 127174 254348 317935 508696 635870 1271740 2543480