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8901230 = 2513223229
BaseRepresentation
bin100001111101…
…001001101110
3121202020012012
4201331021232
54234314410
6514441222
7135442052
oct41751156
917666165
108901230
11502a698
122b93212
131ac8700
141279c62
15bac605
hex87d26e

8901230 has 48 divisors (see below), whose sum is σ = 18182880. Its totient is φ = 3129984.

The previous prime is 8901227. The next prime is 8901239. The reversal of 8901230 is 321098.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 8901196 and 8901205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8901239) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 38756 + ... + 38984.

It is an arithmetic number, because the mean of its divisors is an integer number (378810).

Almost surely, 28901230 is an apocalyptic number.

8901230 is an abundant number, since it is smaller than the sum of its proper divisors (9281650).

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

8901230 is a wasteful number, since it uses less digits than its factorization.

8901230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 8901230 is about 2983.4929193816. The cubic root of 8901230 is about 207.2446561521.

The spelling of 8901230 in words is "eight million, nine hundred one thousand, two hundred thirty".

Divisors: 1 2 5 10 13 23 26 46 65 115 130 169 229 230 299 338 458 598 845 1145 1495 1690 2290 2977 2990 3887 5267 5954 7774 10534 14885 19435 26335 29770 38701 38870 52670 68471 77402 136942 193505 342355 387010 684710 890123 1780246 4450615 8901230