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9750780 = 2234513463
BaseRepresentation
bin100101001100…
…100011111100
3200100101120000
4211030203330
54444011110
6544554300
7145610634
oct45144374
920311500
109750780
11555a9a6
123322990
1320352c0
14141b6c4
15cc91c0
hex94c8fc

9750780 has 120 divisors (see below), whose sum is σ = 33012672. Its totient is φ = 2395008.

The previous prime is 9750779. The next prime is 9750787. The reversal of 9750780 is 870579.

9750780 is digitally balanced in base 2, because in such base 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 (36).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9750787) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20829 + ... + 21291.

Almost surely, 29750780 is an apocalyptic number.

9750780 is a gapful number since it is divisible by the number (90) 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 9750780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16506336).

9750780 is an abundant number, since it is smaller than the sum of its proper divisors (23261892).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9750780 is a wasteful number, since it uses less digits than its factorization.

9750780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 9750780 is about 3122.6238966613. The cubic root of 9750780 is about 213.6386308112.

The spelling of 9750780 in words is "nine million, seven hundred fifty thousand, seven hundred eighty".

Divisors: 1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 180 195 234 260 270 324 351 390 405 463 468 540 585 702 780 810 926 1053 1170 1389 1404 1620 1755 1852 2106 2315 2340 2778 3510 4167 4212 4630 5265 5556 6019 6945 7020 8334 9260 10530 12038 12501 13890 16668 18057 20835 21060 24076 25002 27780 30095 36114 37503 41670 50004 54171 60190 62505 72228 75006 83340 90285 108342 120380 125010 150012 162513 180570 187515 216684 250020 270855 325026 361140 375030 487539 541710 650052 750060 812565 975078 1083420 1625130 1950156 2437695 3250260 4875390 9750780