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523260672 = 28311232693
BaseRepresentation
bin11111001100000…
…101001100000000
31100110121101200220
4133030011030000
52032423320142
6123531143040
715652433214
oct3714051400
91313541626
10523260672
11249404540
121272a4a80
138453a6cc
144d6cc944
1530e102ec
hex1f305300

523260672 has 144 divisors (see below), whose sum is σ = 1585882368. Its totient is φ = 151613440.

The previous prime is 523260671. The next prime is 523260691. The reversal of 523260672 is 276062325.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (523260671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192958 + ... + 195650.

It is an arithmetic number, because the mean of its divisors is an integer number (11013072).

Almost surely, 2523260672 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 523260672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (792941184).

523260672 is an abundant number, since it is smaller than the sum of its proper divisors (1062621696).

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

523260672 is a wasteful number, since it uses less digits than its factorization.

523260672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 33.

The square root of 523260672 is about 22874.8917374487. The cubic root of 523260672 is about 805.8224543099.

The spelling of 523260672 in words is "five hundred twenty-three million, two hundred sixty thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 11 12 16 22 23 24 32 33 44 46 48 64 66 69 88 92 96 128 132 138 176 184 192 253 256 264 276 352 368 384 506 528 552 704 736 759 768 1012 1056 1104 1408 1472 1518 2024 2112 2208 2693 2816 2944 3036 4048 4224 4416 5386 5888 6072 8079 8096 8448 8832 10772 12144 16158 16192 17664 21544 24288 29623 32316 32384 43088 48576 59246 61939 64632 64768 86176 88869 97152 118492 123878 129264 172352 177738 185817 194304 236984 247756 258528 344704 355476 371634 473968 495512 517056 681329 689408 710952 743268 947936 991024 1034112 1362658 1421904 1486536 1895872 1982048 2043987 2068224 2725316 2843808 2973072 3791744 3964096 4087974 5450632 5687616 5946144 7583488 7928192 8175948 10901264 11375232 11892288 15856384 16351896 21802528 22750464 23784576 32703792 43605056 47569152 65407584 87210112 130815168 174420224 261630336 523260672