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25930641 = 311785777
BaseRepresentation
bin110001011101…
…0101110010001
31210210102011010
41202322232101
523114240031
62323441133
7433256352
oct142725621
953712133
1025930641
1113701090
1288261a9
1354ab999
14362dd29
152423246
hex18bab91

25930641 has 8 divisors (see below), whose sum is σ = 37717344. Its totient is φ = 15715520.

The previous prime is 25930631. The next prime is 25930643. The reversal of 25930641 is 14603952.

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 25930641 - 25 = 25930609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 25930599 and 25930608.

It is not an unprimeable number, because it can be changed into a prime (25930643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 392856 + ... + 392921.

It is an arithmetic number, because the mean of its divisors is an integer number (4714668).

Almost surely, 225930641 is an apocalyptic number.

It is an amenable number.

25930641 is a deficient number, since it is larger than the sum of its proper divisors (11786703).

25930641 is a wasteful number, since it uses less digits than its factorization.

25930641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785791.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 25930641 is about 5092.2137622060. The cubic root of 25930641 is about 295.9859417782.

The spelling of 25930641 in words is "twenty-five million, nine hundred thirty thousand, six hundred forty-one".

Divisors: 1 3 11 33 785777 2357331 8643547 25930641