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84900480 = 273576317
BaseRepresentation
bin1010000111101…
…11101010000000
312220202101120020
411003313222000
5133213303410
612231413440
72050433160
oct503675200
9186671506
1084900480
1143a18a95
1224524280
1314787a92
14b3c05a0
1576c0a70
hex50f7a80

84900480 has 128 divisors (see below), whose sum is σ = 309329280. Its totient is φ = 19402752.

The previous prime is 84900479. The next prime is 84900481. The reversal of 84900480 is 8400948.

It is an interprime number because it is at equal distance from previous prime (84900479) and next prime (84900481).

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (84900481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10282 + ... + 16598.

It is an arithmetic number, because the mean of its divisors is an integer number (2416635).

Almost surely, 284900480 is an apocalyptic number.

84900480 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 84900480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154664640).

84900480 is an abundant number, since it is smaller than the sum of its proper divisors (224428800).

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

84900480 is a wasteful number, since it uses less digits than its factorization.

84900480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6346 (or 6334 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 84900480 is about 9214.1456467759. The cubic root of 84900480 is about 439.5113031478.

The spelling of 84900480 in words is "eighty-four million, nine hundred thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 168 192 210 224 240 280 320 336 384 420 448 480 560 640 672 840 896 960 1120 1344 1680 1920 2240 2688 3360 4480 6317 6720 12634 13440 18951 25268 31585 37902 44219 50536 63170 75804 88438 94755 101072 126340 132657 151608 176876 189510 202144 221095 252680 265314 303216 353752 379020 404288 442190 505360 530628 606432 663285 707504 758040 808576 884380 1010720 1061256 1212864 1326570 1415008 1516080 1768760 2021440 2122512 2425728 2653140 2830016 3032160 3537520 4042880 4245024 5306280 5660032 6064320 7075040 8490048 10612560 12128640 14150080 16980096 21225120 28300160 42450240 84900480