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34645345 = 574721061
BaseRepresentation
bin1000010000101…
…0010101100001
32102012011110221
42010022111201
532332122340
63234323041
7600323560
oct204122541
972164427
1034645345
1118613619
12b729481
137240507
14485bbd7
15309544a
hex210a561

34645345 has 16 divisors (see below), whose sum is σ = 48526848. Its totient is φ = 23250240.

The previous prime is 34645301. The next prime is 34645349. The reversal of 34645345 is 54354643.

It is a de Polignac number, because none of the positive numbers 2k-34645345 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 34645345.

It is not an unprimeable number, because it can be changed into a prime (34645349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8886 + ... + 12175.

It is an arithmetic number, because the mean of its divisors is an integer number (3032928).

Almost surely, 234645345 is an apocalyptic number.

34645345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34645345 is a deficient number, since it is larger than the sum of its proper divisors (13881503).

34645345 is a wasteful number, since it uses less digits than its factorization.

34645345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21120.

The product of its digits is 86400, while the sum is 34.

The square root of 34645345 is about 5886.0296465444. The cubic root of 34645345 is about 325.9980208644.

Adding to 34645345 its reverse (54354643), we get a palindrome (88999988).

The spelling of 34645345 in words is "thirty-four million, six hundred forty-five thousand, three hundred forty-five".

Divisors: 1 5 7 35 47 235 329 1645 21061 105305 147427 737135 989867 4949335 6929069 34645345