Base | Representation |
---|---|
bin | 11100011000110… |
… | …01100100101110 |
3 | 121121002100000021 |
4 | 32030121210232 |
5 | 441430202002 |
6 | 35343552354 |
7 | 5621040640 |
oct | 1614314456 |
9 | 547070007 |
10 | 238131502 |
11 | 1124677a4 |
12 | 678bb6ba |
13 | 3a44851b |
14 | 238aa890 |
15 | 15d8c737 |
hex | e31992e |
238131502 has 16 divisors (see below), whose sum is σ = 410968800. Its totient is φ = 101370528.
The previous prime is 238131473. The next prime is 238131511. The reversal of 238131502 is 205131832.
238131502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×2381315022 = 113413224489552008, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54993 + ... + 59164.
It is an arithmetic number, because the mean of its divisors is an integer number (25685550).
Almost surely, 2238131502 is an apocalyptic number.
238131502 is a deficient number, since it is larger than the sum of its proper divisors (172837298).
238131502 is a wasteful number, since it uses less digits than its factorization.
238131502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 114315.
The product of its (nonzero) digits is 1440, while the sum is 25.
The square root of 238131502 is about 15431.5100362861. The cubic root of 238131502 is about 619.8295594624.
The spelling of 238131502 in words is "two hundred thirty-eight million, one hundred thirty-one thousand, five hundred two".
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