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90084480 = 273546919
BaseRepresentation
bin1010101111010…
…01010010000000
320021111202200020
411113221102000
5141030200410
612534453440
72142463653
oct527512200
9207452606
1090084480
1146939892
1226204280
1315881535
14bd6d89a
157d96a70
hex55e9480

90084480 has 64 divisors (see below), whose sum is σ = 287150400. Its totient is φ = 24022016.

The previous prime is 90084443. The next prime is 90084499. The reversal of 90084480 is 8448009.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21540 + ... + 25379.

It is an arithmetic number, because the mean of its divisors is an integer number (4486725).

Almost surely, 290084480 is an apocalyptic number.

It is an amenable number.

90084480 is an abundant number, since it is smaller than the sum of its proper divisors (197065920).

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

90084480 is a wasteful number, since it uses less digits than its factorization.

90084480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46941 (or 46929 counting only the distinct ones).

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

The square root of 90084480 is about 9491.2844230905. The cubic root of 90084480 is about 448.2806489811.

The spelling of 90084480 in words is "ninety million, eighty-four thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 46919 93838 140757 187676 234595 281514 375352 469190 563028 703785 750704 938380 1126056 1407570 1501408 1876760 2252112 2815140 3002816 3753520 4504224 5630280 6005632 7507040 9008448 11260560 15014080 18016896 22521120 30028160 45042240 90084480