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234439345 = 57231811609
BaseRepresentation
bin11011111100101…
…00001010110001
3121100010202022201
431332110022301
5440004024340
635132503201
75544462430
oct1576241261
9540122281
10234439345
11110375828
126661ab01
1339754b0a
14231c9117
15158ad79a
hexdf942b1

234439345 has 32 divisors (see below), whose sum is σ = 337559040. Its totient is φ = 152824320.

The previous prime is 234439339. The next prime is 234439349. The reversal of 234439345 is 543934432.

It is not a de Polignac number, because 234439345 - 211 = 234437297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (234439349) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 144901 + ... + 146509.

It is an arithmetic number, because the mean of its divisors is an integer number (10548720).

Almost surely, 2234439345 is an apocalyptic number.

It is an amenable number.

234439345 is a deficient number, since it is larger than the sum of its proper divisors (103119695).

234439345 is a wasteful number, since it uses less digits than its factorization.

234439345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1825.

The product of its digits is 155520, while the sum is 37.

The square root of 234439345 is about 15311.4122470790. The cubic root of 234439345 is about 616.6094359679.

The spelling of 234439345 in words is "two hundred thirty-four million, four hundred thirty-nine thousand, three hundred forty-five".

Divisors: 1 5 7 23 35 115 161 181 805 905 1267 1609 4163 6335 8045 11263 20815 29141 37007 56315 145705 185035 259049 291229 1295245 1456145 2038603 6698267 10193015 33491335 46887869 234439345