Base | Representation |
---|---|
bin | 10001000010010… |
… | …11011101100001 |
3 | 100221220212002220 |
4 | 20201023131201 |
5 | 243041243200 |
6 | 22103101253 |
7 | 3353522022 |
oct | 1041133541 |
9 | 327825086 |
10 | 142915425 |
11 | 73743524 |
12 | 3ba41829 |
13 | 237bb353 |
14 | 14da2c49 |
15 | c8304a0 |
hex | 884b761 |
142915425 has 24 divisors (see below), whose sum is σ = 243912960. Its totient is φ = 73761600.
The previous prime is 142915417. The next prime is 142915439. The reversal of 142915425 is 524519241.
It is not a de Polignac number, because 142915425 - 23 = 142915417 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28410 + ... + 33059.
It is an arithmetic number, because the mean of its divisors is an integer number (10163040).
Almost surely, 2142915425 is an apocalyptic number.
142915425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
142915425 is a deficient number, since it is larger than the sum of its proper divisors (100997535).
142915425 is a wasteful number, since it uses less digits than its factorization.
142915425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61513 (or 61508 counting only the distinct ones).
The product of its digits is 14400, while the sum is 33.
The square root of 142915425 is about 11954.7239616814. The cubic root of 142915425 is about 522.8290396352.
The spelling of 142915425 in words is "one hundred forty-two million, nine hundred fifteen thousand, four hundred twenty-five".
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