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238107944 = 2329763493
BaseRepresentation
bin11100011000100…
…11110100101000
3121121001010200202
432030103310220
5441423423234
635343251332
75620612154
oct1614236450
9547033622
10238107944
11112451028
12678a9b48
133a43a899
14238a2064
1515d8577e
hexe313d28

238107944 has 8 divisors (see below), whose sum is σ = 446452410. Its totient is φ = 119053968.

The previous prime is 238107871. The next prime is 238107971. The reversal of 238107944 is 449701832.

It can be written as a sum of positive squares in only one way, i.e., 194044900 + 44063044 = 13930^2 + 6638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 238107898 and 238107907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14881739 + ... + 14881754.

Almost surely, 2238107944 is an apocalyptic number.

It is an amenable number.

238107944 is a deficient number, since it is larger than the sum of its proper divisors (208344466).

238107944 is a wasteful number, since it uses less digits than its factorization.

238107944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29763499 (or 29763495 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 238107944 is about 15430.7467090870. The cubic root of 238107944 is about 619.8091191788.

The spelling of 238107944 in words is "two hundred thirty-eight million, one hundred seven thousand, nine hundred forty-four".

Divisors: 1 2 4 8 29763493 59526986 119053972 238107944