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84680506 = 258577229
BaseRepresentation
bin1010000110000…
…01111100111010
312220100012211001
411003001330322
5133134234011
612222555214
72045525641
oct503017472
9186305731
1084680506
1143888799
1224438b0a
131470b911
14b364358
15767a7c1
hex50c1f3a

84680506 has 8 divisors (see below), whose sum is σ = 127060020. Its totient is φ = 42327168.

The previous prime is 84680471. The next prime is 84680509. The reversal of 84680506 is 60508648.

It can be written as a sum of positive squares in 2 ways, for example, as 54154881 + 30525625 = 7359^2 + 5525^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (84680509) by changing a digit.

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, 8100 + ... + 15328.

Almost surely, 284680506 is an apocalyptic number.

84680506 is a deficient number, since it is larger than the sum of its proper divisors (42379514).

84680506 is a wasteful number, since it uses less digits than its factorization.

84680506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088.

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 84680506 is about 9202.2011497250. The cubic root of 84680506 is about 439.1313890067.

The spelling of 84680506 in words is "eighty-four million, six hundred eighty thousand, five hundred six".

Divisors: 1 2 5857 7229 11714 14458 42340253 84680506