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25768043 = 73681149
BaseRepresentation
bin110001001001…
…1000001101011
31210111011002222
41202103001223
523044034133
62320144255
7432011330
oct142230153
953434088
1025768043
11135aaa04
12876808b
135452982
1435ca987
1523dee98
hex189306b

25768043 has 4 divisors (see below), whose sum is σ = 29449200. Its totient is φ = 22086888.

The previous prime is 25767997. The next prime is 25768063. The reversal of 25768043 is 34086752.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25768043 - 28 = 25767787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25767994 and 25768012.

It is not an unprimeable number, because it can be changed into a prime (25768063) 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 3 ways as a sum of consecutive naturals, for example, 1840568 + ... + 1840581.

It is an arithmetic number, because the mean of its divisors is an integer number (7362300).

Almost surely, 225768043 is an apocalyptic number.

25768043 is a deficient number, since it is larger than the sum of its proper divisors (3681157).

25768043 is an equidigital number, since it uses as much as digits as its factorization.

25768043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3681156.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25768043 is about 5076.2233008409. The cubic root of 25768043 is about 295.3659845253.

The spelling of 25768043 in words is "twenty-five million, seven hundred sixty-eight thousand, forty-three".

Divisors: 1 7 3681149 25768043