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324281434 = 2162140717
BaseRepresentation
bin10011010101000…
…010010001011010
3211121012012111111
4103111002101122
51131004001214
652102250534
711015226631
oct2325022132
9747165444
10324281434
11157059494
1290726a4a
135224cc09
14310d4518
151d7085c4
hex1354245a

324281434 has 4 divisors (see below), whose sum is σ = 486422154. Its totient is φ = 162140716.

The previous prime is 324281413. The next prime is 324281437. The reversal of 324281434 is 434182423.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434182423 = 1297334759.

It can be written as a sum of positive squares in only one way, i.e., 193293409 + 130988025 = 13903^2 + 11445^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 324281396 and 324281405.

It is not an unprimeable number, because it can be changed into a prime (324281437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81070357 + ... + 81070360.

Almost surely, 2324281434 is an apocalyptic number.

324281434 is a deficient number, since it is larger than the sum of its proper divisors (162140720).

324281434 is a wasteful number, since it uses less digits than its factorization.

324281434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162140719.

The product of its digits is 18432, while the sum is 31.

The square root of 324281434 is about 18007.8159142079. The cubic root of 324281434 is about 687.0273531086.

The spelling of 324281434 in words is "three hundred twenty-four million, two hundred eighty-one thousand, four hundred thirty-four".

Divisors: 1 2 162140717 324281434