Base | Representation |
---|---|
bin | 10001000001011… |
… | …11111001000100 |
3 | 100221201010012111 |
4 | 20200233321010 |
5 | 243024140000 |
6 | 22100430404 |
7 | 3352541551 |
oct | 1040577104 |
9 | 327633174 |
10 | 142802500 |
11 | 736766a5 |
12 | 3b9a8404 |
13 | 2377bb29 |
14 | 14d73a28 |
15 | c80bcba |
hex | 882fe44 |
142802500 has 45 divisors (see below), whose sum is σ = 313592587. Its totient is φ = 56882000.
The previous prime is 142802489. The next prime is 142802551. The reversal of 142802500 is 5208241.
The square root of 142802500 is 11950.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in 2 ways, for example, as 11195716 + 131606784 = 3346^2 + 11472^2 .
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 597381 + ... + 597619.
Almost surely, 2142802500 is an apocalyptic number.
142802500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
142802500 is the 11950-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142802500
142802500 is an abundant number, since it is smaller than the sum of its proper divisors (170790087).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142802500 is an frugal number, since it uses more digits than its factorization.
142802500 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 502 (or 246 counting only the distinct ones).
The product of its (nonzero) digits is 640, while the sum is 22.
The cubic root of 142802500 is about 522.6912984351.
The spelling of 142802500 in words is "one hundred forty-two million, eight hundred two thousand, five hundred".
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