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225067744 = 25112371571
BaseRepresentation
bin11010110101001…
…00001011100000
3120200111121220101
431122210023200
5430104131434
634155552144
75402021116
oct1532441340
9520447811
10225067744
11106054800
126345b654
13378232a5
1421c69ab6
1514b5bb14
hexd6a42e0

225067744 has 72 divisors (see below), whose sum is σ = 500527944. Its totient is φ = 99475200.

The previous prime is 225067741. The next prime is 225067751. The reversal of 225067744 is 447760522.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225067741) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142479 + ... + 144049.

It is an arithmetic number, because the mean of its divisors is an integer number (6951777).

Almost surely, 2225067744 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 225067744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250263972).

225067744 is an abundant number, since it is smaller than the sum of its proper divisors (275460200).

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

225067744 is a wasteful number, since it uses less digits than its factorization.

225067744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1640 (or 1621 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 37.

The square root of 225067744 is about 15002.2579633867. The cubic root of 225067744 is about 608.2812353124.

The spelling of 225067744 in words is "two hundred twenty-five million, sixty-seven thousand, seven hundred forty-four".

Divisors: 1 2 4 8 11 16 22 32 37 44 74 88 121 148 176 242 296 352 407 484 592 814 968 1184 1571 1628 1936 3142 3256 3872 4477 6284 6512 8954 12568 13024 17281 17908 25136 34562 35816 50272 58127 69124 71632 116254 138248 143264 190091 232508 276496 380182 465016 552992 639397 760364 930032 1278794 1520728 1860064 2557588 3041456 5115176 6082912 7033367 10230352 14066734 20460704 28133468 56266936 112533872 225067744