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4289250 = 235371943
BaseRepresentation
bin10000010111001011100010
322001220202010
4100113023202
52044224000
6231533350
751313050
oct20271342
98056663
104289250
11246a639
12152a256
13b72424
147d91d0
1559ad50
hex4172e2

4289250 has 128 divisors (see below), whose sum is σ = 13178880. Its totient is φ = 907200.

The previous prime is 4289249. The next prime is 4289251. The reversal of 4289250 is 529824.

It is an interprime number because it is at equal distance from previous prime (4289249) and next prime (4289251).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a d-powerful number, because it can be written as 4 + 221 + 85 + 95 + 221 + 55 + 0 .

It is not an unprimeable number, because it can be changed into a prime (4289251) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99729 + ... + 99771.

It is an arithmetic number, because the mean of its divisors is an integer number (102960).

Almost surely, 24289250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4289250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6589440).

4289250 is an abundant number, since it is smaller than the sum of its proper divisors (8889630).

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

4289250 is a wasteful number, since it uses less digits than its factorization.

4289250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 79 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 4289250 is about 2071.0504581009. The cubic root of 4289250 is about 162.4777089739.

The spelling of 4289250 in words is "four million, two hundred eighty-nine thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 25 30 35 38 42 43 50 57 70 75 86 95 105 114 125 129 133 150 175 190 210 215 250 258 266 285 301 350 375 399 430 475 525 570 602 645 665 750 798 817 875 903 950 1050 1075 1290 1330 1425 1505 1634 1750 1806 1995 2150 2375 2451 2625 2850 3010 3225 3325 3990 4085 4515 4750 4902 5250 5375 5719 6450 6650 7125 7525 8170 9030 9975 10750 11438 12255 14250 15050 16125 16625 17157 19950 20425 22575 24510 28595 32250 33250 34314 37625 40850 45150 49875 57190 61275 75250 85785 99750 102125 112875 122550 142975 171570 204250 225750 285950 306375 428925 612750 714875 857850 1429750 2144625 4289250