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324040019 = 808140099
BaseRepresentation
bin10011010100000…
…111010101010011
3211120201221100012
4103110013111103
51130423240034
652053145135
711013203042
oct2324072523
9746657305
10324040019
11156a04076
129062b1ab
1352197074
1431070559
151d6abcce
hex13507553

324040019 has 4 divisors (see below), whose sum is σ = 324088200. Its totient is φ = 323991840.

The previous prime is 324040007. The next prime is 324040021. The reversal of 324040019 is 910040423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 910040423 = 6581138283.

It is a cyclic number.

It is not a de Polignac number, because 324040019 - 212 = 324035923 is a prime.

It is a super-2 number, since 2×3240400192 = 210003867827040722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 324039976 and 324040003.

It is not an unprimeable number, because it can be changed into a prime (324040069) 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, 11969 + ... + 28130.

It is an arithmetic number, because the mean of its divisors is an integer number (81022050).

Almost surely, 2324040019 is an apocalyptic number.

324040019 is a deficient number, since it is larger than the sum of its proper divisors (48181).

324040019 is an equidigital number, since it uses as much as digits as its factorization.

324040019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48180.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 324040019 is about 18001.1116045649. Note that the first 3 decimals coincide. The cubic root of 324040019 is about 686.8568223427.

The spelling of 324040019 in words is "three hundred twenty-four million, forty thousand, nineteen".

Divisors: 1 8081 40099 324040019