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628794498 = 23131799993
BaseRepresentation
bin100101011110101…
…010010010000010
31121211012001220010
4211132222102002
52241432410443
6142221125350
721403444053
oct4536522202
91554161803
10628794498
112a2a35682
121566b9856
13a036ac67
145d72072a
153a309733
hex257aa482

628794498 has 16 divisors (see below), whose sum is σ = 1267190496. Its totient is φ = 207997920.

The previous prime is 628794497. The next prime is 628794541. The reversal of 628794498 is 894497826.

It is not an unprimeable number, because it can be changed into a prime (628794497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399211 + ... + 400782.

It is an arithmetic number, because the mean of its divisors is an integer number (79199406).

Almost surely, 2628794498 is an apocalyptic number.

628794498 is an abundant number, since it is smaller than the sum of its proper divisors (638395998).

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

628794498 is a wasteful number, since it uses less digits than its factorization.

628794498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800129.

The product of its digits is 6967296, while the sum is 57.

The square root of 628794498 is about 25075.7751226159. The cubic root of 628794498 is about 856.7147502539.

The spelling of 628794498 in words is "six hundred twenty-eight million, seven hundred ninety-four thousand, four hundred ninety-eight".

Divisors: 1 2 3 6 131 262 393 786 799993 1599986 2399979 4799958 104799083 209598166 314397249 628794498