Base | Representation |
---|---|
bin | 10010010000011… |
… | …00100010000110 |
3 | 101200011111021220 |
4 | 21020030202012 |
5 | 303201042210 |
6 | 23110221210 |
7 | 3536461206 |
oct | 1110144206 |
9 | 350144256 |
10 | 153143430 |
11 | 79499a20 |
12 | 43354806 |
13 | 2595c91b |
14 | 164a6406 |
15 | d6a0c70 |
hex | 920c886 |
153143430 has 64 divisors (see below), whose sum is σ = 418411008. Its totient is φ = 35509760.
The previous prime is 153143423. The next prime is 153143443. The reversal of 153143430 is 34341351.
It is a happy number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 153143430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2499 + ... + 17678.
It is an arithmetic number, because the mean of its divisors is an integer number (6537672).
Almost surely, 2153143430 is an apocalyptic number.
153143430 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 153143430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209205504).
153143430 is an abundant number, since it is smaller than the sum of its proper divisors (265267578).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153143430 is a wasteful number, since it uses less digits than its factorization.
153143430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20221.
The product of its (nonzero) digits is 2160, while the sum is 24.
The square root of 153143430 is about 12375.1133328144. The cubic root of 153143430 is about 535.0152032248.
Adding to 153143430 its reverse (34341351), we get a palindrome (187484781).
The spelling of 153143430 in words is "one hundred fifty-three million, one hundred forty-three thousand, four hundred thirty".
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