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2475729 = 321391979
BaseRepresentation
bin1001011100011011010001
311122210001200
421130123101
51113210404
6125021413
730020604
oct11343321
94583050
102475729
111441063
129b4869
13688b39
1448633b
1533d839
hex25c6d1

2475729 has 12 divisors (see below), whose sum is σ = 3603600. Its totient is φ = 1637784.

The previous prime is 2475721. The next prime is 2475751. The reversal of 2475729 is 9275742.

2475729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2475729 - 23 = 2475721 is a prime.

It is a super-2 number, since 2×24757292 = 12258468162882, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2475693 and 2475702.

It is not an unprimeable number, because it can be changed into a prime (2475721) 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 in 11 ways as a sum of consecutive naturals, for example, 262 + ... + 2240.

It is an arithmetic number, because the mean of its divisors is an integer number (300300).

22475729 is an apocalyptic number.

It is an amenable number.

2475729 is a deficient number, since it is larger than the sum of its proper divisors (1127871).

2475729 is a wasteful number, since it uses less digits than its factorization.

2475729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2124 (or 2121 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 2475729 is about 1573.4449466060. Note that the first 3 decimals coincide. The cubic root of 2475729 is about 135.2802409023.

The spelling of 2475729 in words is "two million, four hundred seventy-five thousand, seven hundred twenty-nine".

Divisors: 1 3 9 139 417 1251 1979 5937 17811 275081 825243 2475729