Search a number
-
+
10438955 = 52087791
BaseRepresentation
bin100111110100…
…100100101011
3201122100112222
4213310210223
510133021310
61011424255
7154505162
oct47644453
921570488
1010438955
11598aa3a
1235b508b
1322165c7
14155a3d9
15db3055
hex9f492b

10438955 has 4 divisors (see below), whose sum is σ = 12526752. Its totient is φ = 8351160.

The previous prime is 10438951. The next prime is 10438963. The reversal of 10438955 is 55983401.

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

It is not a de Polignac number, because 10438955 - 22 = 10438951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10438951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1043891 + ... + 1043900.

It is an arithmetic number, because the mean of its divisors is an integer number (3131688).

Almost surely, 210438955 is an apocalyptic number.

10438955 is a deficient number, since it is larger than the sum of its proper divisors (2087797).

10438955 is an equidigital number, since it uses as much as digits as its factorization.

10438955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2087796.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 10438955 is about 3230.9371705436. The cubic root of 10438955 is about 218.5507704408.

The spelling of 10438955 in words is "ten million, four hundred thirty-eight thousand, nine hundred fifty-five".

Divisors: 1 5 2087791 10438955