Base | Representation |
---|---|
bin | 10000111111001… |
… | …11000100111010 |
3 | 100221010222002012 |
4 | 20133213010322 |
5 | 242440114000 |
6 | 22050205522 |
7 | 3350160200 |
oct | 1037470472 |
9 | 327128065 |
10 | 142504250 |
11 | 73492609 |
12 | 3b8838a2 |
13 | 236a6155 |
14 | 14cd7070 |
15 | c79d735 |
hex | 87e713a |
142504250 has 48 divisors (see below), whose sum is σ = 310348584. Its totient is φ = 48854400.
The previous prime is 142504223. The next prime is 142504259. The reversal of 142504250 is 52405241.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 54125449 + 88378801 = 7357^2 + 9401^2 .
It is a super-2 number, since 2×1425042502 = 40614922536125000, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (142504259) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6434 + ... + 18066.
Almost surely, 2142504250 is an apocalyptic number.
142504250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142504250 is an abundant number, since it is smaller than the sum of its proper divisors (167844334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142504250 is a wasteful number, since it uses less digits than its factorization.
142504250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11664 (or 11647 counting only the distinct ones).
The product of its (nonzero) digits is 1600, while the sum is 23.
The square root of 142504250 is about 11937.5143978971. The cubic root of 142504250 is about 522.3271560340.
Adding to 142504250 its reverse (52405241), we get a palindrome (194909491).
Subtracting from 142504250 its reverse (52405241), we obtain a palindrome (90099009).
The spelling of 142504250 in words is "one hundred forty-two million, five hundred four thousand, two hundred fifty".
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