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225012788 = 227111356197
BaseRepresentation
bin11010110100101…
…10110000110100
3120200101211111222
431122112300310
5430100402123
634154445512
75401401650
oct1532266064
9520354458
10225012788
11106017490
1263433898
1337804280
1421c53a60
1514b4a6c8
hexd696c34

225012788 has 48 divisors (see below), whose sum is σ = 528710784. Its totient is φ = 80922240.

The previous prime is 225012727. The next prime is 225012793. The reversal of 225012788 is 887210522.

225012788 is digitally balanced in base 2, because in such base 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 15 ways as a sum of consecutive naturals, for example, 24095 + ... + 32102.

It is an arithmetic number, because the mean of its divisors is an integer number (11014808).

Almost surely, 2225012788 is an apocalyptic number.

225012788 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225012788 is an abundant number, since it is smaller than the sum of its proper divisors (303697996).

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

225012788 is a wasteful number, since it uses less digits than its factorization.

225012788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56232 (or 56230 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 225012788 is about 15000.4262606101. The cubic root of 225012788 is about 608.2317221834.

The spelling of 225012788 in words is "two hundred twenty-five million, twelve thousand, seven hundred eighty-eight".

Divisors: 1 2 4 7 11 13 14 22 26 28 44 52 77 91 143 154 182 286 308 364 572 1001 2002 4004 56197 112394 224788 393379 618167 730561 786758 1236334 1461122 1573516 2472668 2922244 4327169 5113927 8036171 8654338 10227854 16072342 17308676 20455708 32144684 56253197 112506394 225012788