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34384469 = 74912067
BaseRepresentation
bin1000001100101…
…0101001010101
32101200220121212
42003022221111
532300300334
63224551205
7565156160
oct203125125
971626555
1034384469
1118455619
12b622505
13717b852
1447d0ad7
153042ece
hex20caa55

34384469 has 4 divisors (see below), whose sum is σ = 39296544. Its totient is φ = 29472396.

The previous prime is 34384451. The next prime is 34384481. The reversal of 34384469 is 96448343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 96448343 = 449214807.

It is a cyclic number.

It is not a de Polignac number, because 34384469 - 212 = 34380373 is a prime.

It is a super-2 number, since 2×343844692 = 2364583416823922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34384409) 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, 2456027 + ... + 2456040.

It is an arithmetic number, because the mean of its divisors is an integer number (9824136).

Almost surely, 234384469 is an apocalyptic number.

It is an amenable number.

34384469 is a deficient number, since it is larger than the sum of its proper divisors (4912075).

34384469 is an equidigital number, since it uses as much as digits as its factorization.

34384469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4912074.

The product of its digits is 248832, while the sum is 41.

The square root of 34384469 is about 5863.8271632100. The cubic root of 34384469 is about 325.1777142457.

The spelling of 34384469 in words is "thirty-four million, three hundred eighty-four thousand, four hundred sixty-nine".

Divisors: 1 7 4912067 34384469