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234020144 = 2447311197
BaseRepresentation
bin11011111001011…
…01110100110000
3121022100110021202
431330231310300
5434402121034
635115510332
75541065321
oct1574556460
9538313252
10234020144
11110109886
12664583a8
1339639077
142311a448
151582947e
hexdf2dd30

234020144 has 20 divisors (see below), whose sum is σ = 463062624. Its totient is φ = 114520128.

The previous prime is 234020141. The next prime is 234020177. The reversal of 234020144 is 441020432.

234020144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (234020141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 154847 + ... + 156350.

Almost surely, 2234020144 is an apocalyptic number.

It is an amenable number.

234020144 is a deficient number, since it is larger than the sum of its proper divisors (229042480).

234020144 is a wasteful number, since it uses less digits than its factorization.

234020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311252 (or 311246 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 234020144 is about 15297.7169538464. The cubic root of 234020144 is about 616.2416969122.

Adding to 234020144 its reverse (441020432), we get a palindrome (675040576).

The spelling of 234020144 in words is "two hundred thirty-four million, twenty thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 47 94 188 376 752 311197 622394 1244788 2489576 4979152 14626259 29252518 58505036 117010072 234020144