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223825020 = 223512592963
BaseRepresentation
bin11010101011101…
…00110001111100
3120121011111012120
431111310301330
5424244400040
634113202540
75355324036
oct1525646174
9517144176
10223825020
11105386061
1262b60450
13374a9753
1421a24c56
15149b37d0
hexd574c7c

223825020 has 48 divisors (see below), whose sum is σ = 627419520. Its totient is φ = 59619136.

The previous prime is 223825013. The next prime is 223825031. The reversal of 223825020 is 20528322.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74059 + ... + 77021.

It is an arithmetic number, because the mean of its divisors is an integer number (13071240).

Almost surely, 2223825020 is an apocalyptic number.

223825020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

223825020 is an abundant number, since it is smaller than the sum of its proper divisors (403594500).

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

223825020 is a wasteful number, since it uses less digits than its factorization.

223825020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4234 (or 4232 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 223825020 is about 14960.7827335337. The cubic root of 223825020 is about 607.1596155796.

The spelling of 223825020 in words is "two hundred twenty-three million, eight hundred twenty-five thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1259 2518 2963 3777 5036 5926 6295 7554 8889 11852 12590 14815 15108 17778 18885 25180 29630 35556 37770 44445 59260 75540 88890 177780 3730417 7460834 11191251 14921668 18652085 22382502 37304170 44765004 55956255 74608340 111912510 223825020