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225381700 = 22523117247
BaseRepresentation
bin11010110111100…
…00110101000100
3120201002120120101
431123300311010
5430144203300
634210413444
75404466335
oct1533606504
9521076511
10225381700
11106249675
1263591284
133790316b
1421d0c28c
1514bbeb6a
hexd6f0d44

225381700 has 36 divisors (see below), whose sum is σ = 490718592. Its totient is φ = 89850400.

The previous prime is 225381679. The next prime is 225381703. The reversal of 225381700 is 7183522.

225381700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225381703) 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, 27477 + ... + 34723.

It is an arithmetic number, because the mean of its divisors is an integer number (13631072).

Almost surely, 2225381700 is an apocalyptic number.

225381700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225381700 is an abundant number, since it is smaller than the sum of its proper divisors (265336892).

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

225381700 is a wasteful number, since it uses less digits than its factorization.

225381700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572 (or 7565 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 225381700 is about 15012.7179417985. The cubic root of 225381700 is about 608.5639425098.

The spelling of 225381700 in words is "two hundred twenty-five million, three hundred eighty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 311 622 1244 1555 3110 6220 7247 7775 14494 15550 28988 31100 36235 72470 144940 181175 362350 724700 2253817 4507634 9015268 11269085 22538170 45076340 56345425 112690850 225381700