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225588129 = 31322967229
BaseRepresentation
bin11010111001000…
…11001110100001
3120201111001201220
431130203032201
5430222310004
634215045253
75406316224
oct1534431641
9521431656
10225588129
1110637a778
1263670829
1337976100
1421d635bb
1514c10dd9
hexd7233a1

225588129 has 48 divisors (see below), whose sum is σ = 343454400. Its totient is φ = 131459328.

The previous prime is 225588127. The next prime is 225588161. The reversal of 225588129 is 921885522.

225588129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225588129 - 21 = 225588127 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225588127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 984987 + ... + 985215.

It is an arithmetic number, because the mean of its divisors is an integer number (7155300).

Almost surely, 2225588129 is an apocalyptic number.

225588129 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

225588129 is a deficient number, since it is larger than the sum of its proper divisors (117866271).

225588129 is a wasteful number, since it uses less digits than its factorization.

225588129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354 (or 341 counting only the distinct ones).

The product of its digits is 115200, while the sum is 42.

The square root of 225588129 is about 15019.5915057634. The cubic root of 225588129 is about 608.7496820971.

The spelling of 225588129 in words is "two hundred twenty-five million, five hundred eighty-eight thousand, one hundred twenty-nine".

Divisors: 1 3 13 29 39 67 87 169 201 229 377 507 687 871 1131 1943 2613 2977 4901 5829 6641 8931 11323 14703 15343 19923 25259 33969 38701 46029 75777 86333 116103 199459 258999 328367 444947 598377 985101 1122329 1334841 2592967 3366987 5784311 7778901 17352933 75196043 225588129