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234605945 = 5723092903
BaseRepresentation
bin11011111101111…
…00110101111001
3121100110012212002
431332330311321
5440024342240
635140230345
75546055230
oct1576746571
9540405762
10234605945
11110479a12
126669b3b5
13397b28b2
142322db17
15158e2d15
hexdfbcd79

234605945 has 16 divisors (see below), whose sum is σ = 321995520. Its totient is φ = 160747584.

The previous prime is 234605941. The next prime is 234605971. The reversal of 234605945 is 549506432.

It is a cyclic number.

It is not a de Polignac number, because 234605945 - 22 = 234605941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 234605899 and 234605908.

It is not an unprimeable number, because it can be changed into a prime (234605941) 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, 79364 + ... + 82266.

It is an arithmetic number, because the mean of its divisors is an integer number (20124720).

Almost surely, 2234605945 is an apocalyptic number.

It is an amenable number.

234605945 is a deficient number, since it is larger than the sum of its proper divisors (87389575).

234605945 is a wasteful number, since it uses less digits than its factorization.

234605945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5224.

The product of its (nonzero) digits is 129600, while the sum is 38.

The square root of 234605945 is about 15316.8516673630. The cubic root of 234605945 is about 616.7554620938.

The spelling of 234605945 in words is "two hundred thirty-four million, six hundred five thousand, nine hundred forty-five".

Divisors: 1 5 7 35 2309 2903 11545 14515 16163 20321 80815 101605 6703027 33515135 46921189 234605945