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38435540 = 225111389151
BaseRepresentation
bin1001001010011…
…1101011010100
32200022201122112
42102213223110
534314414130
63451450152
7644460653
oct222475324
980281575
1038435540
111a772210
1210a56958
137c69730
14516719a
153593495
hex24a7ad4

38435540 has 96 divisors (see below), whose sum is σ = 96526080. Its totient is φ = 12672000.

The previous prime is 38435533. The next prime is 38435561. The reversal of 38435540 is 4553483.

38435540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38435497 and 38435506.

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, 254465 + ... + 254615.

It is an arithmetic number, because the mean of its divisors is an integer number (1005480).

Almost surely, 238435540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38435540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48263040).

38435540 is an abundant number, since it is smaller than the sum of its proper divisors (58090540).

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

38435540 is a wasteful number, since it uses less digits than its factorization.

38435540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The square root of 38435540 is about 6199.6403121471. The cubic root of 38435540 is about 337.4771159610.

The spelling of 38435540 in words is "thirty-eight million, four hundred thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 89 110 130 143 151 178 220 260 286 302 356 445 572 604 715 755 890 979 1157 1430 1510 1661 1780 1958 1963 2314 2860 3020 3322 3916 3926 4628 4895 5785 6644 7852 8305 9790 9815 11570 12727 13439 16610 19580 19630 21593 23140 25454 26878 33220 39260 43186 50908 53756 63635 67195 86372 107965 127270 134390 147829 174707 215930 254540 268780 295658 349414 431860 591316 698828 739145 873535 1478290 1747070 1921777 2956580 3494140 3843554 7687108 9608885 19217770 38435540