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10001293 = 34928657
BaseRepresentation
bin100110001001…
…101110001101
3200211010012021
4212021232031
510030020133
6554210141
7151003201
oct46115615
920733167
1010001293
115711135
123423951
1320c2333
141484b01
15d2852d
hex989b8d

10001293 has 4 divisors (see below), whose sum is σ = 10030300. Its totient is φ = 9972288.

The previous prime is 10001281. The next prime is 10001311. The reversal of 10001293 is 39210001.

10001293 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 an emirpimes, since its reverse is a distinct semiprime: 39210001 = 291352069.

It can be written as a sum of positive squares in 2 ways, for example, as 4609609 + 5391684 = 2147^2 + 2322^2 .

It is a cyclic number.

It is not a de Polignac number, because 10001293 - 25 = 10001261 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 (10001203) 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, 13980 + ... + 14677.

It is an arithmetic number, because the mean of its divisors is an integer number (2507575).

Almost surely, 210001293 is an apocalyptic number.

It is an amenable number.

10001293 is a deficient number, since it is larger than the sum of its proper divisors (29007).

10001293 is an equidigital number, since it uses as much as digits as its factorization.

10001293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29006.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 10001293 is about 3162.4820948110. The cubic root of 10001293 is about 215.4527542165.

Adding to 10001293 its reverse (39210001), we get a palindrome (49211294).

The spelling of 10001293 in words is "ten million, one thousand, two hundred ninety-three".

Divisors: 1 349 28657 10001293