Base | Representation |
---|---|
bin | 11100011000100… |
… | …11101100101000 |
3 | 121121001002222210 |
4 | 32030103230220 |
5 | 441423414212 |
6 | 35343245120 |
7 | 5620610523 |
oct | 1614235450 |
9 | 547032883 |
10 | 238107432 |
11 | 112450702 |
12 | 678a97a0 |
13 | 3a43a594 |
14 | 238a1bba |
15 | 15d8553c |
hex | e313b28 |
238107432 has 48 divisors (see below), whose sum is σ = 611876160. Its totient is φ = 77213376.
The previous prime is 238107409. The next prime is 238107437. The reversal of 238107432 is 234701832.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 238107432.
It is not an unprimeable number, because it can be changed into a prime (238107437) by changing a digit.
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 in 11 ways as a sum of consecutive naturals, for example, 29233 + ... + 36479.
It is an arithmetic number, because the mean of its divisors is an integer number (12747420).
Almost surely, 2238107432 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 238107432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (305938080).
238107432 is an abundant number, since it is smaller than the sum of its proper divisors (373768728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238107432 is a wasteful number, since it uses less digits than its factorization.
238107432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7330 (or 7289 counting only the distinct ones).
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 238107432 is about 15430.7301188246. The cubic root of 238107432 is about 619.8086749230.
The spelling of 238107432 in words is "two hundred thirty-eight million, one hundred seven thousand, four hundred thirty-two".
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