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10208641 = 311272593
BaseRepresentation
bin100110111100…
…010110000001
3201012122121211
4212330112001
510103134031
61002450121
7152525542
oct46742601
921178554
1010208641
1158429a3
123503941
132165821
1414da4c9
15d69bb1
hex9bc581

10208641 has 8 divisors (see below), whose sum is σ = 10625024. Its totient is φ = 9797760.

The previous prime is 10208629. The next prime is 10208647. The reversal of 10208641 is 14680201.

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 10208641 - 217 = 10077569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10208647) 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 7 ways as a sum of consecutive naturals, for example, 2641 + ... + 5233.

It is an arithmetic number, because the mean of its divisors is an integer number (1328128).

Almost surely, 210208641 is an apocalyptic number.

It is an amenable number.

10208641 is a deficient number, since it is larger than the sum of its proper divisors (416383).

10208641 is a wasteful number, since it uses less digits than its factorization.

10208641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2751.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 10208641 is about 3195.0963991717. The cubic root of 10208641 is about 216.9315122906.

Adding to 10208641 its reverse (14680201), we get a palindrome (24888842).

The spelling of 10208641 in words is "ten million, two hundred eight thousand, six hundred forty-one".

Divisors: 1 31 127 2593 3937 80383 329311 10208641