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628132484 = 22723242407
BaseRepresentation
bin100101011100001…
…000101010000100
31121202221102210002
4211130020222010
52241300214414
6142155020432
721365016020
oct4534105204
91552842702
10628132484
112a2623261
1215643a718
13a0198835
145d5cb380
153a2284de
hex25708a84

628132484 has 36 divisors (see below), whose sum is σ = 1313290944. Its totient is φ = 257489232.

The previous prime is 628132459. The next prime is 628132499. The reversal of 628132484 is 484231826.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 11 ways as a sum of consecutive naturals, for example, 6392 + ... + 36015.

It is an arithmetic number, because the mean of its divisors is an integer number (36480304).

Almost surely, 2628132484 is an apocalyptic number.

It is an amenable number.

628132484 is an abundant number, since it is smaller than the sum of its proper divisors (685158460).

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

628132484 is a wasteful number, since it uses less digits than its factorization.

628132484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42464 (or 42439 counting only the distinct ones).

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

The square root of 628132484 is about 25062.5713764570. The cubic root of 628132484 is about 856.4139862167.

The spelling of 628132484 in words is "six hundred twenty-eight million, one hundred thirty-two thousand, four hundred eighty-four".

Divisors: 1 2 4 7 14 23 28 46 92 161 322 529 644 1058 2116 3703 7406 14812 42407 84814 169628 296849 593698 975361 1187396 1950722 3901444 6827527 13655054 22433303 27310108 44866606 89733212 157033121 314066242 628132484