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628419488 = 2539195011
BaseRepresentation
bin100101011101001…
…110101110100000
31121210111000110212
4211131032232200
52241333410423
6142205113252
721400322534
oct4535165640
91553430425
10628419488
112a27a9954
12156558828
13a0269368
145d663bc4
153a283578
hex2574eba0

628419488 has 24 divisors (see below), whose sum is σ = 1237763520. Its totient is φ = 314066880.

The previous prime is 628419487. The next prime is 628419557. The reversal of 628419488 is 884914826.

628419488 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6284194882 = 789822105796364288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (628419481) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122903 + ... + 127913.

It is an arithmetic number, because the mean of its divisors is an integer number (51573480).

Almost surely, 2628419488 is an apocalyptic number.

It is an amenable number.

628419488 is a deficient number, since it is larger than the sum of its proper divisors (609344032).

628419488 is a wasteful number, since it uses less digits than its factorization.

628419488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8940 (or 8932 counting only the distinct ones).

The product of its digits is 884736, while the sum is 50.

The square root of 628419488 is about 25068.2964718387. The cubic root of 628419488 is about 856.5444028722.

The spelling of 628419488 in words is "six hundred twenty-eight million, four hundred nineteen thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 16 32 3919 5011 7838 10022 15676 20044 31352 40088 62704 80176 125408 160352 19638109 39276218 78552436 157104872 314209744 628419488