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87114160 = 2457271313
BaseRepresentation
bin1010011000101…
…00000110110000
320001220212011101
411030110012300
5134300123120
612351054144
72105313100
oct514240660
9201825141
1087114160
11451a0181
1225211354
1315081553
14b7d9200
1579ab90a
hex53141b0

87114160 has 120 divisors (see below), whose sum is σ = 239690016. Its totient is φ = 29352960.

The previous prime is 87114143. The next prime is 87114187. The reversal of 87114160 is 6141178.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278164 + ... + 278476.

Almost surely, 287114160 is an apocalyptic number.

87114160 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 87114160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119845008).

87114160 is an abundant number, since it is smaller than the sum of its proper divisors (152575856).

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

87114160 is a wasteful number, since it uses less digits than its factorization.

87114160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411 (or 398 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 28.

The square root of 87114160 is about 9333.4966652375. The cubic root of 87114160 is about 443.2984891051.

The spelling of 87114160 in words is "eighty-seven million, one hundred fourteen thousand, one hundred sixty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 71 80 98 112 140 142 196 245 280 284 313 355 392 490 497 560 568 626 710 784 980 994 1136 1252 1420 1565 1960 1988 2191 2485 2504 2840 3130 3479 3920 3976 4382 4970 5008 5680 6260 6958 7952 8764 9940 10955 12520 13916 15337 17395 17528 19880 21910 22223 25040 27832 30674 34790 35056 39760 43820 44446 55664 61348 69580 76685 87640 88892 111115 122696 139160 153370 155561 175280 177784 222230 245392 278320 306740 311122 355568 444460 613480 622244 777805 888920 1088927 1226960 1244488 1555610 1777840 2177854 2488976 3111220 4355708 5444635 6222440 8711416 10889270 12444880 17422832 21778540 43557080 87114160