Base | Representation |
---|---|
bin | 10000111111010… |
… | …00001001010001 |
3 | 100221011012002020 |
4 | 20133220021101 |
5 | 242440234000 |
6 | 22050242053 |
7 | 3350206020 |
oct | 1037501121 |
9 | 327135066 |
10 | 142508625 |
11 | 73495926 |
12 | 3b886329 |
13 | 236a813c |
14 | 14cd88b7 |
15 | c79eba0 |
hex | 87e8251 |
142508625 has 48 divisors (see below), whose sum is σ = 272178816. Its totient is φ = 64867200.
The previous prime is 142508599. The next prime is 142508647. The reversal of 142508625 is 526805241.
It is not a de Polignac number, because 142508625 - 28 = 142508369 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 611509 + ... + 611741.
It is an arithmetic number, because the mean of its divisors is an integer number (5670392).
Almost surely, 2142508625 is an apocalyptic number.
142508625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142508625 is a deficient number, since it is larger than the sum of its proper divisors (129670191).
142508625 is an frugal number, since it uses more digits than its factorization.
142508625 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 491 (or 248 counting only the distinct ones).
The product of its (nonzero) digits is 19200, while the sum is 33.
The square root of 142508625 is about 11937.6976423429. The cubic root of 142508625 is about 522.3325012733.
The spelling of 142508625 in words is "one hundred forty-two million, five hundred eight thousand, six hundred twenty-five".
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