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84648260 = 2254232413
BaseRepresentation
bin1010000101110…
…10000101000100
312220021120120202
411002322011010
5133132221020
612222150032
72045332634
oct502720504
9186246522
1084648260
1143866544
1224422318
13146ca038
14b3566c4
157670e75
hex50ba144

84648260 has 12 divisors (see below), whose sum is σ = 177761388. Its totient is φ = 33859296.

The previous prime is 84648233. The next prime is 84648271. The reversal of 84648260 is 6284648.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59105344 + 25542916 = 7688^2 + 5054^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2116187 + ... + 2116226.

It is an arithmetic number, because the mean of its divisors is an integer number (14813449).

Almost surely, 284648260 is an apocalyptic number.

It is an amenable number.

84648260 is an abundant number, since it is smaller than the sum of its proper divisors (93113128).

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

84648260 is a wasteful number, since it uses less digits than its factorization.

84648260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4232422 (or 4232420 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 84648260 is about 9200.4489020917. The cubic root of 84648260 is about 439.0756421010.

The spelling of 84648260 in words is "eighty-four million, six hundred forty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 4232413 8464826 16929652 21162065 42324130 84648260