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34230805 = 574720809
BaseRepresentation
bin1000001010010…
…1001000010101
32101102002211121
42002211020111
532230341210
63221403541
7563646160
oct202451025
971362747
1034230805
1118360124
12b5695b1
13712691b
144790ad7
1530126da
hex20a5215

34230805 has 16 divisors (see below), whose sum is σ = 47946240. Its totient is φ = 22972032.

The previous prime is 34230793. The next prime is 34230811. The reversal of 34230805 is 50803243.

It is a cyclic number.

It is not a de Polignac number, because 34230805 - 211 = 34228757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 34230805.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8760 + ... + 12049.

It is an arithmetic number, because the mean of its divisors is an integer number (2996640).

Almost surely, 234230805 is an apocalyptic number.

34230805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34230805 is a deficient number, since it is larger than the sum of its proper divisors (13715435).

34230805 is a wasteful number, since it uses less digits than its factorization.

34230805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20868.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 34230805 is about 5850.7097860003. The cubic root of 34230805 is about 324.6925850499.

The spelling of 34230805 in words is "thirty-four million, two hundred thirty thousand, eight hundred five".

Divisors: 1 5 7 35 47 235 329 1645 20809 104045 145663 728315 978023 4890115 6846161 34230805