Base | Representation |
---|---|
bin | 11101110100011… |
… | …10100101011000 |
3 | 122102200200120210 |
4 | 32322032211120 |
5 | 1003014120422 |
6 | 40453251120 |
7 | 6125125020 |
oct | 1672164530 |
9 | 572620523 |
10 | 250145112 |
11 | 1192227a8 |
12 | 6b933aa0 |
13 | 3ca93779 |
14 | 25316a80 |
15 | 16e6210c |
hex | ee8e958 |
250145112 has 32 divisors (see below), whose sum is σ = 714700800. Its totient is φ = 71469984.
The previous prime is 250145111. The next prime is 250145131. The reversal of 250145112 is 211541052.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (250145111) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 744312 + ... + 744647.
It is an arithmetic number, because the mean of its divisors is an integer number (22334400).
Almost surely, 2250145112 is an apocalyptic number.
It is an amenable number.
250145112 is an abundant number, since it is smaller than the sum of its proper divisors (464555688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
250145112 is a wasteful number, since it uses less digits than its factorization.
250145112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1488975 (or 1488971 counting only the distinct ones).
The product of its (nonzero) digits is 400, while the sum is 21.
The square root of 250145112 is about 15815.9764794969. The cubic root of 250145112 is about 630.0823878144.
Adding to 250145112 its reverse (211541052), we get a palindrome (461686164).
The spelling of 250145112 in words is "two hundred fifty million, one hundred forty-five thousand, one hundred twelve".
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