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30227800 = 2352359421
BaseRepresentation
bin111001101001…
…1110101011000
32002212201202011
41303103311120
530214242200
62555515304
7514634461
oct163236530
962781664
1030227800
1116076659
12a158b34
136354895
14402bd68
1529c15ba
hex1cd3d58

30227800 has 48 divisors (see below), whose sum is σ = 70642800. Its totient is φ = 12028800.

The previous prime is 30227797. The next prime is 30227807. The reversal of 30227800 is 872203.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30227807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71590 + ... + 72010.

It is an arithmetic number, because the mean of its divisors is an integer number (1471725).

Almost surely, 230227800 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 30227800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35321400).

30227800 is an abundant number, since it is smaller than the sum of its proper divisors (40415000).

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

30227800 is a wasteful number, since it uses less digits than its factorization.

30227800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796 (or 787 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 30227800 is about 5497.9814477679. The cubic root of 30227800 is about 311.5077433670.

The spelling of 30227800 in words is "thirty million, two hundred twenty-seven thousand, eight hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 359 421 718 842 1436 1684 1795 2105 2872 3368 3590 4210 7180 8420 8975 10525 14360 16840 17950 21050 35900 42100 71800 84200 151139 302278 604556 755695 1209112 1511390 3022780 3778475 6045560 7556950 15113900 30227800