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225990200 = 23521129951
BaseRepresentation
bin11010111100001…
…01011000111000
3120202020111021102
431132011120320
5430323141300
634231430532
75412612362
oct1536053070
9522214242
10225990200
11106624867
1263825448
1337a87117
1422029d32
1514c900d5
hexd785638

225990200 has 24 divisors (see below), whose sum is σ = 525427680. Its totient is φ = 90396000.

The previous prime is 225990181. The next prime is 225990223. The reversal of 225990200 is 2099522.

225990200 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 564776 + ... + 565175.

It is an arithmetic number, because the mean of its divisors is an integer number (21892820).

Almost surely, 2225990200 is an apocalyptic number.

225990200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225990200 is an abundant number, since it is smaller than the sum of its proper divisors (299437480).

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

225990200 is a wasteful number, since it uses less digits than its factorization.

225990200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129967 (or 1129958 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 225990200 is about 15032.9704316878. The cubic root of 225990200 is about 609.1111303763. Note that the first 4 decimals are identical.

The spelling of 225990200 in words is "two hundred twenty-five million, nine hundred ninety thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 1129951 2259902 4519804 5649755 9039608 11299510 22599020 28248775 45198040 56497550 112995100 225990200