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87114960 = 24335311301
BaseRepresentation
bin1010011000101…
…00010011010000
320001220220021000
411030110103100
5134300134320
612351102000
72105315322
oct514242320
9201826230
1087114960
11451a0839
1225211900
1315081a1a
14b7d9612
1579abc90
hex53144d0

87114960 has 160 divisors (see below), whose sum is σ = 309980160. Its totient is φ = 22464000.

The previous prime is 87114917. The next prime is 87114967. The reversal of 87114960 is 6941178.

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 (87114967) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66310 + ... + 67610.

It is an arithmetic number, because the mean of its divisors is an integer number (1937376).

Almost surely, 287114960 is an apocalyptic number.

87114960 is a gapful number since it is divisible by the number (80) 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 87114960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154990080).

87114960 is an abundant number, since it is smaller than the sum of its proper divisors (222865200).

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

87114960 is a wasteful number, since it uses less digits than its factorization.

87114960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1354 (or 1342 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 87114960 is about 9333.5395215320. The cubic root of 87114960 is about 443.2998460896.

The spelling of 87114960 in words is "eighty-seven million, one hundred fourteen thousand, nine hundred sixty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 31 36 40 45 48 54 60 62 72 80 90 93 108 120 124 135 144 155 180 186 216 240 248 270 279 310 360 372 432 465 496 540 558 620 720 744 837 930 1080 1116 1240 1301 1395 1488 1674 1860 2160 2232 2480 2602 2790 3348 3720 3903 4185 4464 5204 5580 6505 6696 7440 7806 8370 10408 11160 11709 13010 13392 15612 16740 19515 20816 22320 23418 26020 31224 33480 35127 39030 40331 46836 52040 58545 62448 66960 70254 78060 80662 93672 104080 117090 120993 140508 156120 161324 175635 187344 201655 234180 241986 281016 312240 322648 351270 362979 403310 468360 483972 562032 604965 645296 702540 725958 806620 936720 967944 1088937 1209930 1405080 1451916 1613240 1814895 1935888 2177874 2419860 2810160 2903832 3226480 3629790 4355748 4839720 5444685 5807664 7259580 8711496 9679440 10889370 14519160 17422992 21778740 29038320 43557480 87114960