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10005901 = 31322771
BaseRepresentation
bin100110001010…
…110110001101
3200211100111221
4212022312031
510030142101
6554243341
7151022503
oct46126615
920740457
1010005901
115714644
123426551
1320c4469
141486673
15d29aa1
hex98ad8d

10005901 has 4 divisors (see below), whose sum is σ = 10328704. Its totient is φ = 9683100.

The previous prime is 10005887. The next prime is 10005929. The reversal of 10005901 is 10950001.

10005901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10950001 = 23476087.

It is a cyclic number.

It is not a de Polignac number, because 10005901 - 27 = 10005773 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005601) 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, 161355 + ... + 161416.

It is an arithmetic number, because the mean of its divisors is an integer number (2582176).

Almost surely, 210005901 is an apocalyptic number.

It is an amenable number.

10005901 is a deficient number, since it is larger than the sum of its proper divisors (322803).

10005901 is an equidigital number, since it uses as much as digits as its factorization.

10005901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322802.

The product of its (nonzero) digits is 45, while the sum is 16.

The square root of 10005901 is about 3163.2105525874. The cubic root of 10005901 is about 215.4858384006.

Adding to 10005901 its reverse (10950001), we get a palindrome (20955902).

The spelling of 10005901 in words is "ten million, five thousand, nine hundred one".

Divisors: 1 31 322771 10005901