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34312145 = 575031949
BaseRepresentation
bin1000001011100…
…0111111010001
32101120020102012
42002320333101
532240442040
63223232305
7564435260
oct202707721
971506365
1034312145
111840624a
12b5a8695
13715495a
1447b25d7
15302b865
hex20b8fd1

34312145 has 16 divisors (see below), whose sum is σ = 47174400. Its totient is φ = 23469504.

The previous prime is 34312141. The next prime is 34312163. The reversal of 34312145 is 54121343.

34312145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 34312145 - 22 = 34312141 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34312145.

It is not an unprimeable number, because it can be changed into a prime (34312141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16631 + ... + 18579.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 234312145 is an apocalyptic number.

34312145 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34312145 is a deficient number, since it is larger than the sum of its proper divisors (12862255).

34312145 is a wasteful number, since it uses less digits than its factorization.

34312145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2464.

The product of its digits is 1440, while the sum is 23.

The square root of 34312145 is about 5857.6569547900. The cubic root of 34312145 is about 324.9495621925.

Adding to 34312145 its reverse (54121343), we get a palindrome (88433488).

The spelling of 34312145 in words is "thirty-four million, three hundred twelve thousand, one hundred forty-five".

Divisors: 1 5 7 35 503 1949 2515 3521 9745 13643 17605 68215 980347 4901735 6862429 34312145