Base | Representation |
---|---|
bin | 10000111100111… |
… | …01110111111010 |
3 | 100220120201210000 |
4 | 20132131313322 |
5 | 242401020120 |
6 | 22035533430 |
7 | 3344501055 |
oct | 1036356772 |
9 | 326521700 |
10 | 142204410 |
11 | 732a8307 |
12 | 3b75a276 |
13 | 235cc82a |
14 | 14c59a9c |
15 | c73e990 |
hex | 879ddfa |
142204410 has 60 divisors (see below), whose sum is σ = 383286618. Its totient is φ = 37830672.
The previous prime is 142204399. The next prime is 142204411. The reversal of 142204410 is 14402241.
142204410 is a `hidden beast` number, since 1 + 4 + 220 + 441 + 0 = 666.
It can be written as a sum of positive squares in only one way, i.e., 127983969 + 14220441 = 11313^2 + 3771^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (142204411) by changing a digit.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 339181 + ... + 339599.
Almost surely, 2142204410 is an apocalyptic number.
142204410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 142204410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (191643309).
142204410 is an abundant number, since it is smaller than the sum of its proper divisors (241082208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142204410 is an frugal number, since it uses more digits than its factorization.
142204410 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 857 (or 429 counting only the distinct ones).
The product of its (nonzero) digits is 256, while the sum is 18.
The square root of 142204410 is about 11924.9490564950. The cubic root of 142204410 is about 521.9605598422.
Adding to 142204410 its reverse (14402241), we get a palindrome (156606651).
The spelling of 142204410 in words is "one hundred forty-two million, two hundred four thousand, four hundred ten".
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