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25780363 = 78941381
BaseRepresentation
bin110001001011…
…0000010001011
31210111210000021
41202112002023
523044432423
62320321311
7432062260
oct142260213
953453007
1025780363
1113609194
128773237
13545846b
1435d1267
1523e395d
hex189608b

25780363 has 8 divisors (see below), whose sum is σ = 29795040. Its totient is φ = 21848640.

The previous prime is 25780357. The next prime is 25780367. The reversal of 25780363 is 36308752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25780363 - 25 = 25780331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25780367) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20068 + ... + 21313.

It is an arithmetic number, because the mean of its divisors is an integer number (3724380).

Almost surely, 225780363 is an apocalyptic number.

25780363 is a deficient number, since it is larger than the sum of its proper divisors (4014677).

25780363 is an equidigital number, since it uses as much as digits as its factorization.

25780363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41477.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 25780363 is about 5077.4366564242. The cubic root of 25780363 is about 295.4130496588.

The spelling of 25780363 in words is "twenty-five million, seven hundred eighty thousand, three hundred sixty-three".

Divisors: 1 7 89 623 41381 289667 3682909 25780363