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238322940 = 223519932
BaseRepresentation
bin11100011010010…
…00010011111100
3121121110001121120
432031020103330
5442002313230
635352030540
75622466032
oct1615102374
9547401546
10238322940
11112588609
1267992450
133a4b46bb
142391a552
1515dc9310
hexe3484fc

238322940 has 36 divisors (see below), whose sum is σ = 667639224. Its totient is φ = 63520896.

The previous prime is 238322911. The next prime is 238322951. The reversal of 238322940 is 49223832.

238322940 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118584 + ... + 120576.

It is an arithmetic number, because the mean of its divisors is an integer number (18545534).

Almost surely, 2238322940 is an apocalyptic number.

238322940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

238322940 is an abundant number, since it is smaller than the sum of its proper divisors (429316284).

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

238322940 is an equidigital number, since it uses as much as digits as its factorization.

238322940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3998 (or 2003 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 238322940 is about 15437.7116179828. The cubic root of 238322940 is about 619.9956121785.

The spelling of 238322940 in words is "two hundred thirty-eight million, three hundred twenty-two thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1993 3986 5979 7972 9965 11958 19930 23916 29895 39860 59790 119580 3972049 7944098 11916147 15888196 19860245 23832294 39720490 47664588 59580735 79440980 119161470 238322940