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238649968 = 2414915623
BaseRepresentation
bin11100011100110…
…00001001110000
3121122001200012201
432032120021300
5442043244333
635403032544
75625330334
oct1616301160
9548050181
10238649968
11112791287
1267b0b754
133a59a4cb
14239a37c4
1515e4117d
hexe398270

238649968 has 10 divisors (see below), whose sum is σ = 462384344. Its totient is φ = 119324976.

The previous prime is 238649959. The next prime is 238649969. The reversal of 238649968 is 869946832.

It is a happy number.

238649968 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238649969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7457796 + ... + 7457827.

Almost surely, 2238649968 is an apocalyptic number.

It is an amenable number.

238649968 is a deficient number, since it is larger than the sum of its proper divisors (223734376).

238649968 is a wasteful number, since it uses less digits than its factorization.

238649968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14915631 (or 14915625 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 55.

The square root of 238649968 is about 15448.2998417302. The cubic root of 238649968 is about 620.2790696512.

The spelling of 238649968 in words is "two hundred thirty-eight million, six hundred forty-nine thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 16 14915623 29831246 59662492 119324984 238649968