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10081007 = 64115727
BaseRepresentation
bin100110011101…
…001011101111
3200222011112122
4212131023233
510040043012
61000023155
7151454456
oct46351357
920864478
1010081007
115766012
123461abb
13211c6c1
1414a5b9d
15d41e72
hex99d2ef

10081007 has 4 divisors (see below), whose sum is σ = 10097376. Its totient is φ = 10064640.

The previous prime is 10080997. The next prime is 10081013. The reversal of 10081007 is 70018001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70018001 = 237129531.

It is a cyclic number.

It is not a de Polignac number, because 10081007 - 24 = 10080991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10081087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7223 + ... + 8504.

It is an arithmetic number, because the mean of its divisors is an integer number (2524344).

Almost surely, 210081007 is an apocalyptic number.

10081007 is a deficient number, since it is larger than the sum of its proper divisors (16369).

10081007 is an equidigital number, since it uses as much as digits as its factorization.

10081007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16368.

The product of its (nonzero) digits is 56, while the sum is 17.

The square root of 10081007 is about 3175.0601569104. The cubic root of 10081007 is about 216.0236528168.

Adding to 10081007 its reverse (70018001), we get a palindrome (80099008).

The spelling of 10081007 in words is "ten million, eighty-one thousand, seven".

Divisors: 1 641 15727 10081007