Base | Representation |
---|---|
bin | 10000111110100… |
… | …11010101110010 |
3 | 100220222212012010 |
4 | 20133103111302 |
5 | 242430022120 |
6 | 22044343350 |
7 | 3346402413 |
oct | 1037232562 |
9 | 326885163 |
10 | 142423410 |
11 | 734378a8 |
12 | 3b844b56 |
13 | 2367840c |
14 | 14cb580a |
15 | c7847e0 |
hex | 87d3572 |
142423410 has 64 divisors (see below), whose sum is σ = 349977600. Its totient is φ = 37082880.
The previous prime is 142423387. The next prime is 142423417. The reversal of 142423410 is 14324241.
It is not an unprimeable number, because it can be changed into a prime (142423417) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 407916 + ... + 408264.
It is an arithmetic number, because the mean of its divisors is an integer number (5468400).
Almost surely, 2142423410 is an apocalyptic number.
142423410 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 142423410, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (174988800).
142423410 is an abundant number, since it is smaller than the sum of its proper divisors (207554190).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
142423410 is a wasteful number, since it uses less digits than its factorization.
142423410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 643.
The product of its (nonzero) digits is 768, while the sum is 21.
The square root of 142423410 is about 11934.1279530597. The cubic root of 142423410 is about 522.2283685376.
Adding to 142423410 its reverse (14324241), we get a palindrome (156747651).
The spelling of 142423410 in words is "one hundred forty-two million, four hundred twenty-three thousand, four hundred ten".
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