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8530038 = 2321167643
BaseRepresentation
bin100000100010…
…100001110110
3121001101000100
4200202201312
54140430123
6502454530
7132334626
oct40424166
917041010
108530038
1148a6820
122a34446
1319c877a
1411c0886
15b37643
hex822876

8530038 has 48 divisors (see below), whose sum is σ = 20494656. Its totient is φ = 2542320.

The previous prime is 8530037. The next prime is 8530051. The reversal of 8530038 is 8300358.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 8529993 and 8530020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8530037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12945 + ... + 13587.

It is an arithmetic number, because the mean of its divisors is an integer number (426972).

Almost surely, 28530038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8530038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10247328).

8530038 is an abundant number, since it is smaller than the sum of its proper divisors (11964618).

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

8530038 is a wasteful number, since it uses less digits than its factorization.

8530038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 8530038 is about 2920.6228787709. The cubic root of 8530038 is about 204.3228739493.

The spelling of 8530038 in words is "eight million, five hundred thirty thousand, thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 67 99 134 198 201 402 603 643 737 1206 1286 1474 1929 2211 3858 4422 5787 6633 7073 11574 13266 14146 21219 42438 43081 63657 86162 127314 129243 258486 387729 473891 775458 947782 1421673 2843346 4265019 8530038