Base | Representation |
---|---|
bin | 10000111111111… |
… | …11001111110110 |
3 | 100221022222220000 |
4 | 20133333033312 |
5 | 243001301004 |
6 | 22052252130 |
7 | 3351051633 |
oct | 1037771766 |
9 | 327288800 |
10 | 142603254 |
11 | 7354aa32 |
12 | 3b911046 |
13 | 2370c231 |
14 | 14d2118a |
15 | c7bcc39 |
hex | 87ff3f6 |
142603254 has 60 divisors (see below), whose sum is σ = 328917204. Its totient is φ = 46177776.
The previous prime is 142603249. The next prime is 142603277. The reversal of 142603254 is 452306241.
142603254 is a `hidden beast` number, since 1 + 4 + 2 + 603 + 2 + 54 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 221457 + ... + 222099.
Almost surely, 2142603254 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 142603254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164458602).
142603254 is an abundant number, since it is smaller than the sum of its proper divisors (186313950).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142603254 is an equidigital number, since it uses as much as digits as its factorization.
142603254 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 731 (or 685 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
The square root of 142603254 is about 11941.6604373094. The cubic root of 142603254 is about 522.4480892851.
Adding to 142603254 its reverse (452306241), we get a palindrome (594909495).
The spelling of 142603254 in words is "one hundred forty-two million, six hundred three thousand, two hundred fifty-four".
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