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987163480 = 2351729113443
BaseRepresentation
bin111010110101101…
…110101101011000
32112210112002201101
4322311232231120
54010203212410
6241542201144
733314515432
oct7265565530
92483462641
10987163480
11467256596
122367231b4
13129694504
1495169652
155b9e7d3a
hex3ad6eb58

987163480 has 128 divisors (see below), whose sum is σ = 2459937600. Its totient is φ = 354844672.

The previous prime is 987163447. The next prime is 987163511. The reversal of 987163480 is 84361789.

It is a happy number.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 987163480.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2228139 + ... + 2228581.

Almost surely, 2987163480 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 987163480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1229968800).

987163480 is an abundant number, since it is smaller than the sum of its proper divisors (1472774120).

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

987163480 is a wasteful number, since it uses less digits than its factorization.

987163480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 987163480 is about 31419.1578499488. The cubic root of 987163480 is about 995.7027198353.

The spelling of 987163480 in words is "nine hundred eighty-seven million, one hundred sixty-three thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 17 20 29 34 40 58 68 85 113 116 136 145 170 226 232 290 340 443 452 493 565 580 680 886 904 986 1130 1160 1772 1921 1972 2215 2260 2465 3277 3544 3842 3944 4430 4520 4930 6554 7531 7684 8860 9605 9860 12847 13108 15062 15368 16385 17720 19210 19720 25694 26216 30124 32770 37655 38420 50059 51388 55709 60248 64235 65540 75310 76840 100118 102776 111418 128470 131080 150620 200236 218399 222836 250295 256940 278545 301240 400472 436798 445672 500590 513880 557090 851003 873596 1001180 1091995 1114180 1451711 1702006 1747192 2002360 2183990 2228360 2903422 3404012 4255015 4367980 5806844 6808024 7258555 8510030 8735960 11613688 14517110 17020060 24679087 29034220 34040120 49358174 58068440 98716348 123395435 197432696 246790870 493581740 987163480