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34243205 = 523734079
BaseRepresentation
bin1000001010100…
…0001010000101
32101102201211212
42002220022011
532231240310
63221541205
7564030263
oct202501205
971381755
1034243205
1118369477
12b574805
13712c469
144795433
153016205
hex20a8285

34243205 has 16 divisors (see below), whose sum is σ = 43476480. Its totient is φ = 25838208.

The previous prime is 34243201. The next prime is 34243207. The reversal of 34243205 is 50234243.

It is a cyclic number.

It is not a de Polignac number, because 34243205 - 22 = 34243201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34243201) 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, 6356 + ... + 10434.

It is an arithmetic number, because the mean of its divisors is an integer number (2717280).

Almost surely, 234243205 is an apocalyptic number.

It is an amenable number.

34243205 is a deficient number, since it is larger than the sum of its proper divisors (9233275).

34243205 is a wasteful number, since it uses less digits than its factorization.

34243205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4180.

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 34243205 is about 5851.7693905348. The cubic root of 34243205 is about 324.7317866014.

Adding to 34243205 its reverse (50234243), we get a palindrome (84477448).

The spelling of 34243205 in words is "thirty-four million, two hundred forty-three thousand, two hundred five".

Divisors: 1 5 23 73 115 365 1679 4079 8395 20395 93817 297767 469085 1488835 6848641 34243205