| Base | Representation |
|---|---|
| bin | 100110101100… |
| … | …011100110100 |
| 3 | 201002100022200 |
| 4 | 212230130310 |
| 5 | 10044043130 |
| 6 | 1001224500 |
| 7 | 152135001 |
| oct | 46543464 |
| 9 | 21070280 |
| 10 | 10143540 |
| 11 | 57a8aa0 |
| 12 | 3492130 |
| 13 | 2141cc4 |
| 14 | 14c08a8 |
| 15 | d55760 |
| hex | 9ac734 |
10143540 has 144 divisors (see below), whose sum is σ = 34594560. Its totient is φ = 2384640.
The previous prime is 10143517. The next prime is 10143547. The reversal of 10143540 is 4534101.
It is a happy number.
10143540 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10143547) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 93006 + ... + 93114.
It is an arithmetic number, because the mean of its divisors is an integer number (240240).
Almost surely, 210143540 is an apocalyptic number.
10143540 is a gapful number since it is divisible by the number (10) 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 10143540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17297280).
10143540 is an abundant number, since it is smaller than the sum of its proper divisors (24451020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10143540 is a wasteful number, since it uses less digits than its factorization.
10143540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 182 (or 177 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 10143540 is about 3184.8924628628. The cubic root of 10143540 is about 216.4694009917.
Adding to 10143540 its reverse (4534101), we get a palindrome (14677641).
It can be divided in two parts, 101435 and 40, that added together give a triangular number (101475 = T450).
The spelling of 10143540 in words is "ten million, one hundred forty-three thousand, five hundred forty".
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