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84866480 = 2451278353
BaseRepresentation
bin1010000111011…
…11010110110000
312220200122220222
411003233112300
5133211211410
612230552212
72050232066
oct503572660
9186618828
1084866480
11439a5496
1224508668
131477546a
14b3b2036
1576b5955
hex50ef5b0

84866480 has 40 divisors (see below), whose sum is σ = 198892032. Its totient is φ = 33675264.

The previous prime is 84866479. The next prime is 84866489. The reversal of 84866480 is 8466848.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (84866489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5984 + ... + 14336.

Almost surely, 284866480 is an apocalyptic number.

84866480 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 84866480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99446016).

84866480 is an abundant number, since it is smaller than the sum of its proper divisors (114025552).

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

84866480 is a wasteful number, since it uses less digits than its factorization.

84866480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8493 (or 8487 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 84866480 is about 9212.3004727375. The cubic root of 84866480 is about 439.4526251146.

The spelling of 84866480 in words is "eighty-four million, eight hundred sixty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 127 254 508 635 1016 1270 2032 2540 5080 8353 10160 16706 33412 41765 66824 83530 133648 167060 334120 668240 1060831 2121662 4243324 5304155 8486648 10608310 16973296 21216620 42433240 84866480