Base | Representation |
---|---|
bin | 10000111111000… |
… | …10100000110000 |
3 | 100221010000102200 |
4 | 20133202200300 |
5 | 242434014202 |
6 | 22045543200 |
7 | 3350051526 |
oct | 1037424060 |
9 | 327100380 |
10 | 142485552 |
11 | 7347a560 |
12 | 3b874b00 |
13 | 2369a7a1 |
14 | 14cd0316 |
15 | c797e1c |
hex | 87e2830 |
142485552 has 120 divisors (see below), whose sum is σ = 454042368. Its totient is φ = 41289600.
The previous prime is 142485547. The next prime is 142485589. The reversal of 142485552 is 255584241.
142485552 is a `hidden beast` number, since 1 + 4 + 24 + 85 + 552 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34477 + ... + 38387.
Almost surely, 2142485552 is an apocalyptic number.
142485552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142485552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (227021184).
142485552 is an abundant number, since it is smaller than the sum of its proper divisors (311556816).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142485552 is a wasteful number, since it uses less digits than its factorization.
142485552 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3959 (or 3950 counting only the distinct ones).
The product of its digits is 64000, while the sum is 36.
The square root of 142485552 is about 11936.7312108466. The cubic root of 142485552 is about 522.3043101649.
The spelling of 142485552 in words is "one hundred forty-two million, four hundred eighty-five thousand, five hundred fifty-two".
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