| Base | Representation |
|---|---|
| bin | 10010011110000… |
| … | …10101110000000 |
| 3 | 101210112200022100 |
| 4 | 21033002232000 |
| 5 | 304131010430 |
| 6 | 23212510400 |
| 7 | 3560644662 |
| oct | 1117025600 |
| 9 | 353480270 |
| 10 | 154938240 |
| 11 | 7a505436 |
| 12 | 43a7b400 |
| 13 | 2613a842 |
| 14 | 16812532 |
| 15 | d907960 |
| hex | 93c2b80 |
154938240 has 192 divisors, whose sum is σ = 550236960. Its totient is φ = 40144896.
The previous prime is 154938211. The next prime is 154938241. The reversal of 154938240 is 42839451.
It is a tau number, because it is divible by the number of its divisors (192).
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a junction number, because it is equal to n+sod(n) for n = 154938195 and 154938204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (154938241) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 212757 + ... + 213483.
Almost surely, 2154938240 is an apocalyptic number.
154938240 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 154938240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275118480).
154938240 is an abundant number, since it is smaller than the sum of its proper divisors (395298720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
154938240 is a wasteful number, since it uses less digits than its factorization.
154938240 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 789 (or 774 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 36.
The square root of 154938240 is about 12447.4190095778. The cubic root of 154938240 is about 537.0971807934.
The spelling of 154938240 in words is "one hundred fifty-four million, nine hundred thirty-eight thousand, two hundred forty".
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