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225203788 = 22173325439
BaseRepresentation
bin11010110110001…
…01011001001100
3120200202112112001
431123011121030
5430123010123
634202522044
75403125545
oct1533053114
9520675461
10225203788
11106137a37
1263506324
13378701a4
1421ca34cc
1514b870ad
hexd6c564c

225203788 has 12 divisors (see below), whose sum is σ = 396385920. Its totient is φ = 111950672.

The previous prime is 225203773. The next prime is 225203801. The reversal of 225203788 is 887302522.

225203788 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 super-2 number, since 2×2252037882 = 101433492259097888, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162028 + ... + 163411.

It is an arithmetic number, because the mean of its divisors is an integer number (33032160).

Almost surely, 2225203788 is an apocalyptic number.

It is an amenable number.

225203788 is a deficient number, since it is larger than the sum of its proper divisors (171182132).

225203788 is a wasteful number, since it uses less digits than its factorization.

225203788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325616 (or 325614 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 225203788 is about 15006.7913958981. The cubic root of 225203788 is about 608.4037707810.

The spelling of 225203788 in words is "two hundred twenty-five million, two hundred three thousand, seven hundred eighty-eight".

Divisors: 1 2 4 173 346 692 325439 650878 1301756 56300947 112601894 225203788