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52137000 = 2333531931
BaseRepresentation
bin1100011011100…
…0110000101000
310122002211112000
43012320300220
5101321341000
65101251000
71202104626
oct306706050
9118084460
1052137000
1127480333
1215563a60
13aa55cc6
146cd2516
15489d000
hex31b8c28

52137000 has 128 divisors (see below), whose sum is σ = 180835200. Its totient is φ = 13896000.

The previous prime is 52136963. The next prime is 52137013. The reversal of 52137000 is 73125.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 26035 + ... + 27965.

It is an arithmetic number, because the mean of its divisors is an integer number (1412775).

Almost surely, 252137000 is an apocalyptic number.

52137000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52137000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90417600).

52137000 is an abundant number, since it is smaller than the sum of its proper divisors (128698200).

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

52137000 is a wasteful number, since it uses less digits than its factorization.

52137000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1941 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 52137000 is about 7220.5955433053. The cubic root of 52137000 is about 373.5786192785.

The spelling of 52137000 in words is "fifty-two million, one hundred thirty-seven thousand".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 90 100 108 120 125 135 150 180 200 216 225 250 270 300 360 375 450 500 540 600 675 750 900 1000 1080 1125 1350 1500 1800 1931 2250 2700 3000 3375 3862 4500 5400 5793 6750 7724 9000 9655 11586 13500 15448 17379 19310 23172 27000 28965 34758 38620 46344 48275 52137 57930 69516 77240 86895 96550 104274 115860 139032 144825 173790 193100 208548 231720 241375 260685 289650 347580 386200 417096 434475 482750 521370 579300 695160 724125 868950 965500 1042740 1158600 1303425 1448250 1737900 1931000 2085480 2172375 2606850 2896500 3475800 4344750 5213700 5793000 6517125 8689500 10427400 13034250 17379000 26068500 52137000