Base | Representation |
---|---|
bin | 11100011110111… |
… | …01011100001100 |
3 | 121122121002111222 |
4 | 32033131130030 |
5 | 442131340042 |
6 | 35413102512 |
7 | 5630621630 |
oct | 1617353414 |
9 | 548532458 |
10 | 238933772 |
11 | 112965530 |
12 | 68027a38 |
13 | 3a66973c |
14 | 23a38dc0 |
15 | 15e9a2d2 |
hex | e3dd70c |
238933772 has 48 divisors (see below), whose sum is σ = 525154560. Its totient is φ = 92404800.
The previous prime is 238933769. The next prime is 238933789. The reversal of 238933772 is 277339832.
It is a Harshad number since it is a multiple of its sum of digits (44).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40022 + ... + 45602.
It is an arithmetic number, because the mean of its divisors is an integer number (10940720).
Almost surely, 2238933772 is an apocalyptic number.
238933772 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 238933772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262577280).
238933772 is an abundant number, since it is smaller than the sum of its proper divisors (286220788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
238933772 is a wasteful number, since it uses less digits than its factorization.
238933772 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5742 (or 5740 counting only the distinct ones).
The product of its digits is 381024, while the sum is 44.
The square root of 238933772 is about 15457.4827187353. The cubic root of 238933772 is about 620.5248521346.
The spelling of 238933772 in words is "two hundred thirty-eight million, nine hundred thirty-three thousand, seven hundred seventy-two".
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