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2872481 is a prime number
BaseRepresentation
bin1010111101010010100001
312101221022012
422331102201
51213404411
6141322305
733262403
oct12752241
95357265
102872481
111692157
12b66395
137975c1
1454ab73
153bb18b
hex2bd4a1

2872481 has 2 divisors, whose sum is σ = 2872482. Its totient is φ = 2872480.

The previous prime is 2872459. The next prime is 2872523. The reversal of 2872481 is 1842782.

2872481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2560000 + 312481 = 1600^2 + 559^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872481 - 26 = 2872417 is a prime.

It is a super-2 number, since 2×28724812 = 16502294190722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2872451) by changing a digit.

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 as a sum of consecutive naturals, namely, 1436240 + 1436241.

It is an arithmetic number, because the mean of its divisors is an integer number (1436241).

22872481 is an apocalyptic number.

It is an amenable number.

2872481 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872481 is an equidigital number, since it uses as much as digits as its factorization.

2872481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7168, while the sum is 32.

The square root of 2872481 is about 1694.8395204266. The cubic root of 2872481 is about 142.1518081569.

The spelling of 2872481 in words is "two million, eight hundred seventy-two thousand, four hundred eighty-one".