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234144420 = 22359740231
BaseRepresentation
bin11011111010011…
…00001010100100
3121022120202202120
431331030022210
5434420110140
635122305540
75542123536
oct1575141244
9538522676
10234144420
11110194194
12664b82b0
13396807c3
142314d856
15158511d0
hexdf4c2a4

234144420 has 48 divisors (see below), whose sum is σ = 662379648. Its totient is φ = 61793280.

The previous prime is 234144403. The next prime is 234144433. The reversal of 234144420 is 24441432.

It is a happy number.

234144420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 14296 + ... + 25935.

It is an arithmetic number, because the mean of its divisors is an integer number (13799576).

Almost surely, 2234144420 is an apocalyptic number.

234144420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234144420 is an abundant number, since it is smaller than the sum of its proper divisors (428235228).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

234144420 is a wasteful number, since it uses less digits than its factorization.

234144420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40340 (or 40338 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 234144420 is about 15301.7783280245. The cubic root of 234144420 is about 616.3507623103.

Adding to 234144420 its reverse (24441432), we get a palindrome (258585852).

The spelling of 234144420 in words is "two hundred thirty-four million, one hundred forty-four thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2910 5820 40231 80462 120693 160924 201155 241386 402310 482772 603465 804620 1206930 2413860 3902407 7804814 11707221 15609628 19512035 23414442 39024070 46828884 58536105 78048140 117072210 234144420