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34785493 = 191182123
BaseRepresentation
bin1000010010110…
…0100011010101
32102110021201121
42010230203111
532401113433
63241323541
7601446301
oct204544325
972407647
1034785493
11186a9946
12b7965b1
13728c242
144896d01
1530c1c2d
hex212c8d5

34785493 has 4 divisors (see below), whose sum is σ = 34967808. Its totient is φ = 34603180.

The previous prime is 34785473. The next prime is 34785521. The reversal of 34785493 is 39458743.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-34785493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34785473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 90871 + ... + 91252.

It is an arithmetic number, because the mean of its divisors is an integer number (8741952).

Almost surely, 234785493 is an apocalyptic number.

It is an amenable number.

34785493 is a deficient number, since it is larger than the sum of its proper divisors (182315).

34785493 is a wasteful number, since it uses less digits than its factorization.

34785493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182314.

The product of its digits is 362880, while the sum is 43.

The square root of 34785493 is about 5897.9227699250. The cubic root of 34785493 is about 326.4370072349.

The spelling of 34785493 in words is "thirty-four million, seven hundred eighty-five thousand, four hundred ninety-three".

Divisors: 1 191 182123 34785493