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84682870 = 2553159779
BaseRepresentation
bin1010000110000…
…10100001110110
312220100100001121
411003002201312
5133134322440
612223014154
72045535556
oct503024166
9186310047
1084682870
114388a548
122443a35a
131470ca0c
14b365166
15767b34a
hex50c2876

84682870 has 16 divisors (see below), whose sum is σ = 155306160. Its totient is φ = 33233824.

The previous prime is 84682859. The next prime is 84682957. The reversal of 84682870 is 7828648.

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, 79360 + ... + 80419.

It is an arithmetic number, because the mean of its divisors is an integer number (9706635).

Almost surely, 284682870 is an apocalyptic number.

84682870 is a deficient number, since it is larger than the sum of its proper divisors (70623290).

84682870 is a wasteful number, since it uses less digits than its factorization.

84682870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159839.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 84682870 is about 9202.3295963577. The cubic root of 84682870 is about 439.1354753346.

The spelling of 84682870 in words is "eighty-four million, six hundred eighty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 53 106 265 530 159779 319558 798895 1597790 8468287 16936574 42341435 84682870