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10044138 = 2313612111
BaseRepresentation
bin100110010100…
…001011101010
3200220021222010
4212110023222
510032403023
6555140350
7151242126
oct46241352
920807863
1010044138
115740345
1234446b6
1321089a0
141496586
15d36093
hex9942ea

10044138 has 32 divisors (see below), whose sum is σ = 21998592. Its totient is φ = 3038400.

The previous prime is 10044137. The next prime is 10044149. The reversal of 10044138 is 83144001.

It is a Smith number, since the sum of its digits (21) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10044137) 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 15 ways as a sum of consecutive naturals, for example, 3703 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (687456).

Almost surely, 210044138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10044138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10999296).

10044138 is an abundant number, since it is smaller than the sum of its proper divisors (11954454).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10044138 is a wasteful number, since it uses less digits than its factorization.

10044138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2190.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 10044138 is about 3169.2488068942. The cubic root of 10044138 is about 215.7599785834.

Adding to 10044138 its reverse (83144001), we get a palindrome (93188139).

The spelling of 10044138 in words is "ten million, forty-four thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 61 78 122 183 366 793 1586 2111 2379 4222 4758 6333 12666 27443 54886 82329 128771 164658 257542 386313 772626 1674023 3348046 5022069 10044138