| Base | Representation |
|---|---|
| bin | 10010010010101… |
| … | …01110100111000 |
| 3 | 101200201202002210 |
| 4 | 21021111310320 |
| 5 | 303240144030 |
| 6 | 23120455120 |
| 7 | 3542151360 |
| oct | 1111256470 |
| 9 | 350652083 |
| 10 | 153443640 |
| 11 | 79684529 |
| 12 | 4347a4a0 |
| 13 | 25a3646c |
| 14 | 165439a0 |
| 15 | d70ebb0 |
| hex | 9255d38 |
153443640 has 128 divisors (see below), whose sum is σ = 544320000. Its totient is φ = 33858048.
The previous prime is 153443623. The next prime is 153443657. The reversal of 153443640 is 46344351.
It is an interprime number because it is at equal distance from previous prime (153443623) and next prime (153443657).
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 153443598 and 153443607.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21211 + ... + 27509.
It is an arithmetic number, because the mean of its divisors is an integer number (4252500).
Almost surely, 2153443640 is an apocalyptic number.
153443640 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 153443640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272160000).
153443640 is an abundant number, since it is smaller than the sum of its proper divisors (390876360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
153443640 is a wasteful number, since it uses less digits than its factorization.
153443640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6349 (or 6345 counting only the distinct ones).
The product of its (nonzero) digits is 17280, while the sum is 30.
The square root of 153443640 is about 12387.2369800533. The cubic root of 153443640 is about 535.3645752151.
Adding to 153443640 its reverse (46344351), we get a palindrome (199787991).
The spelling of 153443640 in words is "one hundred fifty-three million, four hundred forty-three thousand, six hundred forty".
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