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225888975 = 325213292663
BaseRepresentation
bin11010111011011…
…00101011001111
3120202001100102100
431131230223033
5430311421400
634225330143
75412011304
oct1535545317
9522040370
10225888975
11106565804
1263796953
1337a50020
14220010ab
1514c70100
hexd76cacf

225888975 has 72 divisors (see below), whose sum is σ = 450908640. Its totient is φ = 107331840.

The previous prime is 225888973. The next prime is 225888977. The reversal of 225888975 is 579888522.

It is an interprime number because it is at equal distance from previous prime (225888973) and next prime (225888977).

It is not a de Polignac number, because 225888975 - 21 = 225888973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225888973) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83494 + ... + 86156.

It is an arithmetic number, because the mean of its divisors is an integer number (6262620).

Almost surely, 2225888975 is an apocalyptic number.

225888975 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

225888975 is a deficient number, since it is larger than the sum of its proper divisors (225019665).

225888975 is a wasteful number, since it uses less digits than its factorization.

225888975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2721 (or 2713 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 225888975 is about 15029.6032881776. The cubic root of 225888975 is about 609.0201729184.

The spelling of 225888975 in words is "two hundred twenty-five million, eight hundred eighty-eight thousand, nine hundred seventy-five".

Divisors: 1 3 5 9 13 15 25 29 39 45 65 75 87 117 145 195 225 261 325 377 435 585 725 975 1131 1305 1885 2175 2663 2925 3393 5655 6525 7989 9425 13315 16965 23967 28275 34619 39945 66575 77227 84825 103857 119835 173095 199725 231681 311571 386135 519285 599175 695043 865475 1003951 1158405 1557855 1930675 2596425 3011853 3475215 5019755 5792025 7789275 9035559 15059265 17376075 25098775 45177795 75296325 225888975