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84480870 = 2352816029
BaseRepresentation
bin1010000100100…
…01001101100110
312212222001222010
411002101031212
5133111341440
612214415050
72044034625
oct502211546
9185861863
1084480870
1143761801
1224361486
131466baa6
14b3116bc
15763b580
hex5091366

84480870 has 16 divisors (see below), whose sum is σ = 202754160. Its totient is φ = 22528224.

The previous prime is 84480839. The next prime is 84480881. The reversal of 84480870 is 7808448.

It is a congruent number.

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, 1407985 + ... + 1408044.

It is an arithmetic number, because the mean of its divisors is an integer number (12672135).

Almost surely, 284480870 is an apocalyptic number.

84480870 is an abundant number, since it is smaller than the sum of its proper divisors (118273290).

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

84480870 is a wasteful number, since it uses less digits than its factorization.

84480870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816039.

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 84480870 is about 9191.3475617017. The cubic root of 84480870 is about 438.7860304337.

The spelling of 84480870 in words is "eighty-four million, four hundred eighty thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 2816029 5632058 8448087 14080145 16896174 28160290 42240435 84480870