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10103047 = 10794421
BaseRepresentation
bin100110100010…
…100100000111
3201000021202221
4212202210013
510041244142
61000313211
7151605643
oct46424407
921007687
1010103047
115780629
123472807
132129746
1414adc23
15d48767
hex9a2907

10103047 has 4 divisors (see below), whose sum is σ = 10197576. Its totient is φ = 10008520.

The previous prime is 10103039. The next prime is 10103053. The reversal of 10103047 is 74030101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74030101 = 353209717.

It is a cyclic number.

It is not a de Polignac number, because 10103047 - 23 = 10103039 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10103047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103017) 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, 47104 + ... + 47317.

It is an arithmetic number, because the mean of its divisors is an integer number (2549394).

Almost surely, 210103047 is an apocalyptic number.

10103047 is a deficient number, since it is larger than the sum of its proper divisors (94529).

10103047 is an equidigital number, since it uses as much as digits as its factorization.

10103047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94528.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 10103047 is about 3178.5290623180. The cubic root of 10103047 is about 216.1809683097.

Adding to 10103047 its reverse (74030101), we get a palindrome (84133148).

The spelling of 10103047 in words is "ten million, one hundred three thousand, forty-seven".

Divisors: 1 107 94421 10103047