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84630288 = 2431763131
BaseRepresentation
bin1010000101101…
…01101100010000
312220020122221010
411002311230100
5133131132123
612221530520
72045226351
oct502655420
9186218833
1084630288
1143853a96
1224413a40
13146c1ac2
14b34dd28
15766a993
hex50b5b10

84630288 has 20 divisors (see below), whose sum is σ = 218628368. Its totient is φ = 28210080.

The previous prime is 84630281. The next prime is 84630311. The reversal of 84630288 is 88203648.

It is not an unprimeable number, because it can be changed into a prime (84630281) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 881518 + ... + 881613.

Almost surely, 284630288 is an apocalyptic number.

It is an amenable number.

84630288 is an abundant number, since it is smaller than the sum of its proper divisors (133998080).

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

84630288 is a wasteful number, since it uses less digits than its factorization.

84630288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1763142 (or 1763136 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 84630288 is about 9199.4721587708. The cubic root of 84630288 is about 439.0445659514.

The spelling of 84630288 in words is "eighty-four million, six hundred thirty thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 1763131 3526262 5289393 7052524 10578786 14105048 21157572 28210096 42315144 84630288