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10100041 = 71442863
BaseRepresentation
bin100110100001…
…110101001001
3201000010122121
4212201311021
510041200131
61000251241
7151564120
oct46416511
921003577
1010100041
115779346
123470b21
132128273
1414acab7
15d47911
hex9a1d49

10100041 has 4 divisors (see below), whose sum is σ = 11542912. Its totient is φ = 8657172.

The previous prime is 10100011. The next prime is 10100047. The reversal of 10100041 is 14000101.

It is a happy number.

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: 14000101 = 131106871.

It is a cyclic number.

It is not a de Polignac number, because 10100041 - 25 = 10100009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (7), and also a Moran number because the ratio is a prime number: 1442863 = 10100041 / (1 + 0 + 1 + 0 + 0 + 0 + 4 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10099997 and 10100033.

It is not an unprimeable number, because it can be changed into a prime (10100047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 721425 + ... + 721438.

It is an arithmetic number, because the mean of its divisors is an integer number (2885728).

Almost surely, 210100041 is an apocalyptic number.

It is an amenable number.

10100041 is a deficient number, since it is larger than the sum of its proper divisors (1442871).

10100041 is an equidigital number, since it uses as much as digits as its factorization.

10100041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1442870.

The product of its (nonzero) digits is 4, while the sum is 7.

The square root of 10100041 is about 3178.0561669045. The cubic root of 10100041 is about 216.1595257868.

Adding to 10100041 its reverse (14000101), we get a palindrome (24100142).

The spelling of 10100041 in words is "ten million, one hundred thousand, forty-one".

Divisors: 1 7 1442863 10100041