Base | Representation |
---|---|
bin | 10000111111010… |
… | …00000000101000 |
3 | 100221011011022202 |
4 | 20133220000220 |
5 | 242440224242 |
6 | 22050235332 |
7 | 3350204300 |
oct | 1037500050 |
9 | 327134282 |
10 | 142508072 |
11 | 73495473 |
12 | 3b885b48 |
13 | 236a7b05 |
14 | 14cd8600 |
15 | c79e932 |
hex | 87e8028 |
142508072 has 24 divisors (see below), whose sum is σ = 310828410. Its totient is φ = 61074720.
The previous prime is 142508039. The next prime is 142508099. The reversal of 142508072 is 270805241.
142508072 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 104734756 + 37773316 = 10234^2 + 6146^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 181379 + ... + 182162.
Almost surely, 2142508072 is an apocalyptic number.
It is an amenable number.
142508072 is an abundant number, since it is smaller than the sum of its proper divisors (168320338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142508072 is a wasteful number, since it uses less digits than its factorization.
142508072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 363561 (or 363550 counting only the distinct ones).
The product of its (nonzero) digits is 4480, while the sum is 29.
The square root of 142508072 is about 11937.6744804003. The cubic root of 142508072 is about 522.3318256411.
It can be divided in two parts, 14250 and 8072, that added together give a palindrome (22322).
The spelling of 142508072 in words is "one hundred forty-two million, five hundred eight thousand, seventy-two".
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