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225753472 = 2771714821
BaseRepresentation
bin11010111010010…
…11100110000000
3120201210110112201
431131023212000
5430243102342
634222402544
75410605250
oct1535134600
9521713481
10225753472
11106482a1a
1263730454
1337a03449
1421da7960
1514c44db7
hexd74b980

225753472 has 64 divisors (see below), whose sum is σ = 544263840. Its totient is φ = 91054080.

The previous prime is 225753469. The next prime is 225753491. The reversal of 225753472 is 274357522.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7822 + ... + 22642.

Almost surely, 2225753472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225753472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272131920).

225753472 is an abundant number, since it is smaller than the sum of its proper divisors (318510368).

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

225753472 is a wasteful number, since it uses less digits than its factorization.

225753472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14859 (or 14847 counting only the distinct ones).

The product of its digits is 117600, while the sum is 37.

The square root of 225753472 is about 15025.0947417978. The cubic root of 225753472 is about 608.8983718329.

The spelling of 225753472 in words is "two hundred twenty-five million, seven hundred fifty-three thousand, four hundred seventy-two".

Divisors: 1 2 4 7 8 14 16 17 28 32 34 56 64 68 112 119 128 136 224 238 272 448 476 544 896 952 1088 1904 2176 3808 7616 14821 15232 29642 59284 103747 118568 207494 237136 251957 414988 474272 503914 829976 948544 1007828 1659952 1763699 1897088 2015656 3319904 3527398 4031312 6639808 7054796 8062624 13279616 14109592 16125248 28219184 32250496 56438368 112876736 225753472