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84257468 = 2243489869
BaseRepresentation
bin1010000010110…
…10101010111100
312212112201111222
411001122222330
5133032214333
612205532512
72042114411
oct501325274
9185481458
1084257468
1143619979
1224274138
13145c11b9
14b294108
1575e5298
hex505aabc

84257468 has 12 divisors (see below), whose sum is σ = 150879960. Its totient is φ = 41148912.

The previous prime is 84257447. The next prime is 84257477. The reversal of 84257468 is 86475248.

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 3 ways as a sum of consecutive naturals, for example, 244763 + ... + 245106.

It is an arithmetic number, because the mean of its divisors is an integer number (12573330).

Almost surely, 284257468 is an apocalyptic number.

It is an amenable number.

84257468 is a deficient number, since it is larger than the sum of its proper divisors (66622492).

84257468 is a wasteful number, since it uses less digits than its factorization.

84257468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489916 (or 489914 counting only the distinct ones).

The product of its digits is 430080, while the sum is 44.

The square root of 84257468 is about 9179.1866742103. The cubic root of 84257468 is about 438.3989123772.

The spelling of 84257468 in words is "eighty-four million, two hundred fifty-seven thousand, four hundred sixty-eight".

Divisors: 1 2 4 43 86 172 489869 979738 1959476 21064367 42128734 84257468