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84475480 = 23519111057
BaseRepresentation
bin1010000100011…
…11111001011000
312212221210120111
411002033321120
5133111203410
612214334104
72044013125
oct502177130
9185853514
1084475480
1143758751
122435a334
13146694bb
14b30d74c
157639b8a
hex508fe58

84475480 has 32 divisors (see below), whose sum is σ = 191082240. Its totient is φ = 33610240.

The previous prime is 84475471. The next prime is 84475513. The reversal of 84475480 is 8457448.

It is a super-2 number, since 2×844754802 = 14272213442460800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2112 + ... + 13168.

It is an arithmetic number, because the mean of its divisors is an integer number (5971320).

Almost surely, 284475480 is an apocalyptic number.

It is an amenable number.

84475480 is an abundant number, since it is smaller than the sum of its proper divisors (106606760).

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

84475480 is a wasteful number, since it uses less digits than its factorization.

84475480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259 (or 11255 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The square root of 84475480 is about 9191.0543464828. The cubic root of 84475480 is about 438.7766985103.

The spelling of 84475480 in words is "eighty-four million, four hundred seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 191 382 764 955 1528 1910 3820 7640 11057 22114 44228 55285 88456 110570 221140 442280 2111887 4223774 8447548 10559435 16895096 21118870 42237740 84475480