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10241881 = 13787837
BaseRepresentation
bin100111000100…
…011101011001
3201021100012221
4213010131121
510110220011
61003304041
7153024466
oct47043531
921240187
1010241881
115865971
12351b021
1321779b0
14150866d
15d74971
hex9c4759

10241881 has 4 divisors (see below), whose sum is σ = 11029732. Its totient is φ = 9454032.

The previous prime is 10241863. The next prime is 10241887. The reversal of 10241881 is 18814201.

10241881 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1121481 + 9120400 = 1059^2 + 3020^2 .

It is a cyclic number.

It is not a de Polignac number, because 10241881 - 25 = 10241849 is a prime.

It is a super-2 number, since 2×102418812 = 209792252836322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10241887) 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, 393906 + ... + 393931.

It is an arithmetic number, because the mean of its divisors is an integer number (2757433).

Almost surely, 210241881 is an apocalyptic number.

It is an amenable number.

10241881 is a deficient number, since it is larger than the sum of its proper divisors (787851).

10241881 is an equidigital number, since it uses as much as digits as its factorization.

10241881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787850.

The product of its (nonzero) digits is 512, while the sum is 25.

The square root of 10241881 is about 3200.2938927542. The cubic root of 10241881 is about 217.1667049186.

The spelling of 10241881 in words is "ten million, two hundred forty-one thousand, eight hundred eighty-one".

Divisors: 1 13 787837 10241881