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562501380 = 223572375171
BaseRepresentation
bin100001100001110…
…001011100000100
31110012110000211110
4201201301130010
52123000021010
6131452205020
716640116500
oct4141613404
91405400743
10562501380
11269576681
12138469770
138c6c976c
14549c5300
15345b2120
hex21871704

562501380 has 144 divisors (see below), whose sum is σ = 1882028736. Its totient is φ = 125072640.

The previous prime is 562501337. The next prime is 562501393. The reversal of 562501380 is 83105265.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 106195 + ... + 111365.

It is an arithmetic number, because the mean of its divisors is an integer number (13069644).

Almost surely, 2562501380 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 562501380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (941014368).

562501380 is an abundant number, since it is smaller than the sum of its proper divisors (1319527356).

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

562501380 is a wasteful number, since it uses less digits than its factorization.

562501380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234 (or 5225 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 562501380 is about 23717.1115441995. Note that the first 3 decimals coincide. The cubic root of 562501380 is about 825.4824872838.

It can be divided in two parts, 56250 and 1380, that added together give a triangular number (57630 = T339).

The spelling of 562501380 in words is "five hundred sixty-two million, five hundred one thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 37 42 49 60 70 74 84 98 105 111 140 147 148 185 196 210 222 245 259 294 370 420 444 490 518 555 588 735 740 777 980 1036 1110 1295 1470 1554 1813 2220 2590 2940 3108 3626 3885 5171 5180 5439 7252 7770 9065 10342 10878 15513 15540 18130 20684 21756 25855 27195 31026 36197 36260 51710 54390 62052 72394 77565 103420 108591 108780 144788 155130 180985 191327 217182 253379 310260 361970 382654 434364 506758 542955 573981 723940 760137 765308 956635 1013516 1085910 1147962 1266895 1339289 1520274 1913270 2171820 2295924 2533790 2678578 2869905 3040548 3800685 3826540 4017867 5067580 5357156 5739810 6696445 7601370 8035734 9375023 11479620 13392890 15202740 16071468 18750046 20089335 26785780 28125069 37500092 40178670 46875115 56250138 80357340 93750230 112500276 140625345 187500460 281250690 562501380