Base | Representation |
---|---|
bin | 10000111101000… |
… | …00010101101100 |
3 | 100220121020122000 |
4 | 20132200111230 |
5 | 242401331013 |
6 | 22040052300 |
7 | 3344542362 |
oct | 1036402554 |
9 | 326536560 |
10 | 142214508 |
11 | 73304957 |
12 | 3b764090 |
13 | 236042c7 |
14 | 14c5d632 |
15 | c742973 |
hex | 87a056c |
142214508 has 24 divisors (see below), whose sum is σ = 368704560. Its totient is φ = 47404800.
The previous prime is 142214483. The next prime is 142214509. The reversal of 142214508 is 805412241.
142214508 is a `hidden beast` number, since 142 + 2 + 14 + 508 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (142214509) 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, 658293 + ... + 658508.
It is an arithmetic number, because the mean of its divisors is an integer number (15362690).
Almost surely, 2142214508 is an apocalyptic number.
142214508 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
142214508 is an abundant number, since it is smaller than the sum of its proper divisors (226490052).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142214508 is a wasteful number, since it uses less digits than its factorization.
142214508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1316814 (or 1316806 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 142214508 is about 11925.3724470140. The cubic root of 142214508 is about 521.9729144355.
Adding to 142214508 its reverse (805412241), we get a palindrome (947626749).
The spelling of 142214508 in words is "one hundred forty-two million, two hundred fourteen thousand, five hundred eight".
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