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4072480 = 25525453
BaseRepresentation
bin1111100010010000100000
321122220101121
433202100200
52020304410
6223142024
746421056
oct17422040
97586347
104072480
112331795
121444914
13ac7869
147801d6
155569da
hex3e2420

4072480 has 24 divisors (see below), whose sum is σ = 9621612. Its totient is φ = 1628928.

The previous prime is 4072477. The next prime is 4072483. The reversal of 4072480 is 842704.

It is an interprime number because it is at equal distance from previous prime (4072477) and next prime (4072483).

It can be written as a sum of positive squares in 2 ways, for example, as 4048144 + 24336 = 2012^2 + 156^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4072483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12567 + ... + 12886.

Almost surely, 24072480 is an apocalyptic number.

4072480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4072480 is an abundant number, since it is smaller than the sum of its proper divisors (5549132).

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

4072480 is a wasteful number, since it uses less digits than its factorization.

4072480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25468 (or 25460 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 4072480 is about 2018.0386517607. The cubic root of 4072480 is about 159.6931619412.

It can be divided in two parts, 40724 and 80, that added together give a palindrome (40804).

The spelling of 4072480 in words is "four million, seventy-two thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 25453 50906 101812 127265 203624 254530 407248 509060 814496 1018120 2036240 4072480