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324287434 = 2162143717
BaseRepresentation
bin10011010101000…
…011101111001010
3211121012111201201
4103111003233022
51131004144214
652102334414
711015253262
oct2325035712
9747174651
10324287434
11157062a49
129072a40a
1352252873
14310d67a2
151d70a274
hex13543bca

324287434 has 4 divisors (see below), whose sum is σ = 486431154. Its totient is φ = 162143716.

The previous prime is 324287429. The next prime is 324287441. The reversal of 324287434 is 434782423.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 434782423 = 486189443.

It can be written as a sum of positive squares in only one way, i.e., 312405625 + 11881809 = 17675^2 + 3447^2 .

It is a junction number, because it is equal to n+sod(n) for n = 324287393 and 324287402.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 81071857 + ... + 81071860.

Almost surely, 2324287434 is an apocalyptic number.

324287434 is a deficient number, since it is larger than the sum of its proper divisors (162143720).

324287434 is a wasteful number, since it uses less digits than its factorization.

324287434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162143719.

The product of its digits is 129024, while the sum is 37.

The square root of 324287434 is about 18007.9825077658. The cubic root of 324287434 is about 687.0315903115.

The spelling of 324287434 in words is "three hundred twenty-four million, two hundred eighty-seven thousand, four hundred thirty-four".

Divisors: 1 2 162143717 324287434