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30266250 = 235471153
BaseRepresentation
bin111001101110…
…1001110001010
32002221200111020
41303131032022
530222010000
63000413310
7515154540
oct163351612
962850436
1030266250
11160a2533
12a177236
136369231
14403bd90
1529ccba0
hex1cdd38a

30266250 has 80 divisors (see below), whose sum is σ = 86522304. Its totient is φ = 6912000.

The previous prime is 30266207. The next prime is 30266251. The reversal of 30266250 is 5266203.

It is a self number, because there is not a number n which added to its sum of digits gives 30266250.

It is not an unprimeable number, because it can be changed into a prime (30266251) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25674 + ... + 26826.

Almost surely, 230266250 is an apocalyptic number.

30266250 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30266250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43261152).

30266250 is an abundant number, since it is smaller than the sum of its proper divisors (56256054).

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

30266250 is a wasteful number, since it uses less digits than its factorization.

30266250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1185 (or 1170 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 30266250 is about 5501.4770743865. The cubic root of 30266250 is about 311.6397675063.

The spelling of 30266250 in words is "thirty million, two hundred sixty-six thousand, two hundred fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 125 150 175 210 250 350 375 525 625 750 875 1050 1153 1250 1750 1875 2306 2625 3459 3750 4375 5250 5765 6918 8071 8750 11530 13125 16142 17295 24213 26250 28825 34590 40355 48426 57650 80710 86475 121065 144125 172950 201775 242130 288250 403550 432375 605325 720625 864750 1008875 1210650 1441250 2017750 2161875 3026625 4323750 5044375 6053250 10088750 15133125 30266250