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84628460 = 2257837283
BaseRepresentation
bin1010000101101…
…01001111101100
312220020120102102
411002311033230
5133131102320
612221514232
72045221130
oct502651754
9186216372
1084628460
1143852684
1224412978
13146c1017
14b34d3c0
15766a175
hex50b53ec

84628460 has 48 divisors (see below), whose sum is σ = 205583616. Its totient is φ = 28661952.

The previous prime is 84628447. The next prime is 84628463. The reversal of 84628460 is 6482648.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (84628463) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7979 + ... + 15261.

It is an arithmetic number, because the mean of its divisors is an integer number (4282992).

Almost surely, 284628460 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84628460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102791808).

84628460 is an abundant number, since it is smaller than the sum of its proper divisors (120955156).

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

84628460 is a wasteful number, since it uses less digits than its factorization.

84628460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7382 (or 7380 counting only the distinct ones).

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

The square root of 84628460 is about 9199.3728047079. The cubic root of 84628460 is about 439.0414048324.

The spelling of 84628460 in words is "eighty-four million, six hundred twenty-eight thousand, four hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 83 140 166 332 415 581 830 1162 1660 2324 2905 5810 7283 11620 14566 29132 36415 50981 72830 101962 145660 203924 254905 509810 604489 1019620 1208978 2417956 3022445 4231423 6044890 8462846 12089780 16925692 21157115 42314230 84628460