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532378080 = 253251328439
BaseRepresentation
bin11111101110110…
…111000111100000
31101002202121102200
4133232313013200
52042242044310
6124454413200
716123065453
oct3756670740
91332677380
10532378080
11253571593
1212a361200
13863b0620
14509c349a
1531b119c0
hex1fbb71e0

532378080 has 144 divisors (see below), whose sum is σ = 1956558240. Its totient is φ = 131042304.

The previous prime is 532378061. The next prime is 532378087. The reversal of 532378080 is 80873235.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (532378087) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4501 + ... + 32939.

It is an arithmetic number, because the mean of its divisors is an integer number (13587210).

Almost surely, 2532378080 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 532378080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (978279120).

532378080 is an abundant number, since it is smaller than the sum of its proper divisors (1424180160).

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

532378080 is a wasteful number, since it uses less digits than its factorization.

532378080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28473 (or 28462 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 532378080 is about 23073.3196571278. The cubic root of 532378080 is about 810.4758064118.

The spelling of 532378080 in words is "five hundred thirty-two million, three hundred seventy-eight thousand, eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 32 36 39 40 45 48 52 60 65 72 78 80 90 96 104 117 120 130 144 156 160 180 195 208 234 240 260 288 312 360 390 416 468 480 520 585 624 720 780 936 1040 1170 1248 1440 1560 1872 2080 2340 3120 3744 4680 6240 9360 18720 28439 56878 85317 113756 142195 170634 227512 255951 284390 341268 369707 426585 455024 511902 568780 682536 739414 853170 910048 1023804 1109121 1137560 1279755 1365072 1478828 1706340 1848535 2047608 2218242 2275120 2559510 2730144 2957656 3327363 3412680 3697070 4095216 4436484 4550240 5119020 5545605 5915312 6654726 6825360 7394140 8190432 8872968 10238040 11091210 11830624 13309452 13650720 14788280 16636815 17745936 20476080 22182420 26618904 29576560 33273630 35491872 40952160 44364840 53237808 59153120 66547260 88729680 106475616 133094520 177459360 266189040 532378080