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22985250 = 2353191613
BaseRepresentation
bin101011110101…
…1101000100010
31121020202211120
41113223220202
521341012000
62140353110
7366241251
oct127535042
947222746
1022985250
1111a7a182
127845796
1349ba152
1430a4798
1520406a0
hex15eba22

22985250 has 64 divisors (see below), whose sum is σ = 60428160. Its totient is φ = 5803200.

The previous prime is 22985239. The next prime is 22985323. The reversal of 22985250 is 5258922.

It is a Curzon 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, 13444 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (944190).

Almost surely, 222985250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22985250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30214080).

22985250 is an abundant number, since it is smaller than the sum of its proper divisors (37442910).

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

22985250 is a wasteful number, since it uses less digits than its factorization.

22985250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652 (or 1642 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 33.

The square root of 22985250 is about 4794.2934828815. The cubic root of 22985250 is about 284.3258921763.

The spelling of 22985250 in words is "twenty-two million, nine hundred eighty-five thousand, two hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 125 150 190 250 285 375 475 570 750 950 1425 1613 2375 2850 3226 4750 4839 7125 8065 9678 14250 16130 24195 30647 40325 48390 61294 80650 91941 120975 153235 183882 201625 241950 306470 403250 459705 604875 766175 919410 1209750 1532350 2298525 3830875 4597050 7661750 11492625 22985250