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30270800 = 2452719569
BaseRepresentation
bin111001101111…
…0010101010000
32002221220201202
41303132111100
530222131200
63000450332
7515204030
oct163362520
962856652
1030270800
11160a599a
12a1799a8
13636b321
14403d8c0
1529ce1d5
hex1cde550

30270800 has 120 divisors (see below), whose sum is σ = 87643200. Its totient is φ = 9815040.

The previous prime is 30270797. The next prime is 30270803. The reversal of 30270800 is 807203.

It is an interprime number because it is at equal distance from previous prime (30270797) and next prime (30270803).

It is a super-3 number, since 3×302708003 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30270803) 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, 52916 + ... + 53484.

It is an arithmetic number, because the mean of its divisors is an integer number (730360).

Almost surely, 230270800 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30270800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43821600).

30270800 is an abundant number, since it is smaller than the sum of its proper divisors (57372400).

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

30270800 is a wasteful number, since it uses less digits than its factorization.

30270800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 30270800 is about 5501.8905841538. The cubic root of 30270800 is about 311.6553832488.

The spelling of 30270800 in words is "thirty million, two hundred seventy thousand, eight hundred".

Divisors: 1 2 4 5 7 8 10 14 16 19 20 25 28 35 38 40 50 56 70 76 80 95 100 112 133 140 152 175 190 200 266 280 304 350 380 400 475 532 560 569 665 700 760 950 1064 1138 1330 1400 1520 1900 2128 2276 2660 2800 2845 3325 3800 3983 4552 5320 5690 6650 7600 7966 9104 10640 10811 11380 13300 14225 15932 19915 21622 22760 26600 28450 31864 39830 43244 45520 53200 54055 56900 63728 75677 79660 86488 99575 108110 113800 151354 159320 172976 199150 216220 227600 270275 302708 318640 378385 398300 432440 540550 605416 756770 796600 864880 1081100 1210832 1513540 1593200 1891925 2162200 3027080 3783850 4324400 6054160 7567700 15135400 30270800