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506738448 = 243217317653
BaseRepresentation
bin11110001101000…
…011011100010000
31022022111222110200
4132031003130100
52014211112243
6122141055200
715362130366
oct3615033420
91268458420
10506738448
1124004a107
12121857500
1380ca4248
144b42b636
152e749ad3
hex1e343710

506738448 has 120 divisors (see below), whose sum is σ = 1508628888. Its totient is φ = 158232576.

The previous prime is 506738429. The next prime is 506738497. The reversal of 506738448 is 844837605.

It can be written as a sum of positive squares in 4 ways, for example, as 8020224 + 498718224 = 2832^2 + 22332^2 .

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 23 ways as a sum of consecutive naturals, for example, 775690 + ... + 776342.

Almost surely, 2506738448 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 506738448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (754314444).

506738448 is an abundant number, since it is smaller than the sum of its proper divisors (1001890440).

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

506738448 is a wasteful number, since it uses less digits than its factorization.

506738448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 506738448 is about 22510.8517830845. The cubic root of 506738448 is about 797.2501671874.

The spelling of 506738448 in words is "five hundred six million, seven hundred thirty-eight thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 17 18 24 34 36 48 51 68 72 102 136 144 153 204 272 306 317 408 612 634 653 816 951 1224 1268 1306 1902 1959 2448 2536 2612 2853 3804 3918 5072 5224 5389 5706 5877 7608 7836 10448 10778 11101 11412 11754 15216 15672 16167 21556 22202 22824 23508 31344 32334 33303 43112 44404 45648 47016 48501 64668 66606 86224 88808 94032 97002 99909 129336 133212 177616 194004 199818 207001 258672 266424 388008 399636 414002 532848 621003 776016 799272 828004 1242006 1598544 1656008 1863009 2484012 3312016 3519017 3726018 4968024 7038034 7452036 9936048 10557051 14076068 14904072 21114102 28152136 29808144 31671153 42228204 56304272 63342306 84456408 126684612 168912816 253369224 506738448