Base | Representation |
---|---|
bin | 11110010101101… |
… | …10010011111110 |
3 | 122201220001022021 |
4 | 33022312103332 |
5 | 1010123032032 |
6 | 41130510354 |
7 | 6210142516 |
oct | 1712662376 |
9 | 581801267 |
10 | 254502142 |
11 | 120729254 |
12 | 712953ba |
13 | 4095a9ab |
14 | 25b2c846 |
15 | 17523097 |
hex | f2b64fe |
254502142 has 4 divisors (see below), whose sum is σ = 381753216. Its totient is φ = 127251070.
The previous prime is 254502119. The next prime is 254502151. The reversal of 254502142 is 241205452.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×2545021423 (a number of 26 digits) contains 333 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63625534 + ... + 63625537.
It is an arithmetic number, because the mean of its divisors is an integer number (95438304).
Almost surely, 2254502142 is an apocalyptic number.
254502142 is a deficient number, since it is larger than the sum of its proper divisors (127251074).
254502142 is a wasteful number, since it uses less digits than its factorization.
254502142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 127251073.
The product of its (nonzero) digits is 3200, while the sum is 25.
The square root of 254502142 is about 15953.1232678745. The cubic root of 254502142 is about 633.7196115090.
Adding to 254502142 its reverse (241205452), we get a palindrome (495707594).
The spelling of 254502142 in words is "two hundred fifty-four million, five hundred two thousand, one hundred forty-two".
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