Base | Representation |
---|---|
bin | 11100011101101… |
… | …10000010000000 |
3 | 121122021220002110 |
4 | 32032312002000 |
5 | 442111203402 |
6 | 35405415320 |
7 | 5626350210 |
oct | 1616660200 |
9 | 548256073 |
10 | 238772352 |
11 | 112865225 |
12 | 67b6a540 |
13 | 3a611120 |
14 | 239d6240 |
15 | 15e6756c |
hex | e3b6080 |
238772352 has 128 divisors (see below), whose sum is σ = 780716160. Its totient is φ = 62963712.
The previous prime is 238772333. The next prime is 238772353. The reversal of 238772352 is 253277832.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×2387723522 = 114024472159223808, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a self number, because there is not a number n which added to its sum of digits gives 238772352.
It is not an unprimeable number, because it can be changed into a prime (238772353) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31528 + ... + 38360.
It is an arithmetic number, because the mean of its divisors is an integer number (6099345).
Almost surely, 2238772352 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238772352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (390358080).
238772352 is an abundant number, since it is smaller than the sum of its proper divisors (541943808).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238772352 is a wasteful number, since it uses less digits than its factorization.
238772352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6870 (or 6858 counting only the distinct ones).
The product of its digits is 141120, while the sum is 39.
The square root of 238772352 is about 15452.2604171687. The cubic root of 238772352 is about 620.3850816229.
The spelling of 238772352 in words is "two hundred thirty-eight million, seven hundred seventy-two thousand, three hundred fifty-two".
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