Search a number
-
+
34312973 = 199172427
BaseRepresentation
bin1000001011100…
…1001100001101
32101120021112212
42002321030031
532241003343
63223240205
7564440552
oct202711415
971507485
1034312973
1118406932
12b5a9065
137155146
1447b2a29
15302bc18
hex20b930d

34312973 has 4 divisors (see below), whose sum is σ = 34485600. Its totient is φ = 34140348.

The previous prime is 34312969. The next prime is 34312979. The reversal of 34312973 is 37921343.

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: 37921343 = 79480017.

It is a cyclic number.

It is not a de Polignac number, because 34312973 - 22 = 34312969 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 (34312979) 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, 86015 + ... + 86412.

It is an arithmetic number, because the mean of its divisors is an integer number (8621400).

Almost surely, 234312973 is an apocalyptic number.

It is an amenable number.

34312973 is a deficient number, since it is larger than the sum of its proper divisors (172627).

34312973 is a wasteful number, since it uses less digits than its factorization.

34312973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172626.

The product of its digits is 13608, while the sum is 32.

The square root of 34312973 is about 5857.7276310870. The cubic root of 34312973 is about 324.9521760005.

The spelling of 34312973 in words is "thirty-four million, three hundred twelve thousand, nine hundred seventy-three".

Divisors: 1 199 172427 34312973