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10438019 = 19354083
BaseRepresentation
bin100111110100…
…010110000011
3201122022021022
4213310112003
510133004034
61011420055
7154502354
oct47642603
921568238
1010438019
11598a269
1235b462b
132216057
141559d2b
15db2b2e
hex9f4583

10438019 has 4 divisors (see below), whose sum is σ = 10492296. Its totient is φ = 10383744.

The previous prime is 10438013. The next prime is 10438061. The reversal of 10438019 is 91083401.

10438019 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: 91083401 = 891023409.

It is a cyclic number.

It is not a de Polignac number, because 10438019 - 212 = 10433923 is a prime.

It is a super-2 number, since 2×104380192 = 217904481288722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10438013) 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, 26849 + ... + 27234.

It is an arithmetic number, because the mean of its divisors is an integer number (2623074).

Almost surely, 210438019 is an apocalyptic number.

10438019 is a deficient number, since it is larger than the sum of its proper divisors (54277).

10438019 is an equidigital number, since it uses as much as digits as its factorization.

10438019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54276.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 10438019 is about 3230.7923176831. The cubic root of 10438019 is about 218.5442381894.

The spelling of 10438019 in words is "ten million, four hundred thirty-eight thousand, nineteen".

Divisors: 1 193 54083 10438019