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238334388 = 22319861199
BaseRepresentation
bin11100011010010…
…11000110110100
3121121110122022120
432031023012310
5442003200023
635352155540
75622544305
oct1615130664
9547418276
10238334388
11112596176
1267998bb0
133a4b9986
14239207ac
1515dcc8e3
hexe34b1b4

238334388 has 12 divisors (see below), whose sum is σ = 556113600. Its totient is φ = 79444792.

The previous prime is 238334387. The next prime is 238334399. The reversal of 238334388 is 883433832.

238334388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (238334387) 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, 9930588 + ... + 9930611.

It is an arithmetic number, because the mean of its divisors is an integer number (46342800).

Almost surely, 2238334388 is an apocalyptic number.

It is an amenable number.

238334388 is an abundant number, since it is smaller than the sum of its proper divisors (317779212).

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

238334388 is a wasteful number, since it uses less digits than its factorization.

238334388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19861206 (or 19861204 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The square root of 238334388 is about 15438.0823938726. The cubic root of 238334388 is about 620.0055393192.

The spelling of 238334388 in words is "two hundred thirty-eight million, three hundred thirty-four thousand, three hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19861199 39722398 59583597 79444796 119167194 238334388