Base | Representation |
---|---|
bin | 11100011000011… |
… | …11100111110111 |
3 | 121121000021002200 |
4 | 32030033213313 |
5 | 441422400433 |
6 | 35343035543 |
7 | 5620511052 |
oct | 1614174767 |
9 | 547007080 |
10 | 238090743 |
11 | 11243a110 |
12 | 6789bbb3 |
13 | 3a432ac7 |
14 | 23899a99 |
15 | 15d80613 |
hex | e30f9f7 |
238090743 has 12 divisors (see below), whose sum is σ = 375173448. Its totient is φ = 144297360.
The previous prime is 238090739. The next prime is 238090751. The reversal of 238090743 is 347090832.
It is not a de Polignac number, because 238090743 - 22 = 238090739 is a prime.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 238090698 and 238090707.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (238090543) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1202380 + ... + 1202577.
It is an arithmetic number, because the mean of its divisors is an integer number (31264454).
Almost surely, 2238090743 is an apocalyptic number.
238090743 is a deficient number, since it is larger than the sum of its proper divisors (137082705).
238090743 is a wasteful number, since it uses less digits than its factorization.
238090743 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2404974 (or 2404971 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 238090743 is about 15430.1893377884. The cubic root of 238090743 is about 619.7941937445.
The spelling of 238090743 in words is "two hundred thirty-eight million, ninety thousand, seven hundred forty-three".
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