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628642483 = 72910130661
BaseRepresentation
bin100101011110000…
…101001010110011
31121210220100100221
4211132011022303
52241413024413
6142213553511
721402241630
oct4536051263
91553810327
10628642483
112a2941447
12156645897
13a0316a01
145d6c1187
153a2c968d
hex257852b3

628642483 has 16 divisors (see below), whose sum is σ = 750605760. Its totient is φ = 515088000.

The previous prime is 628642481. The next prime is 628642501. The reversal of 628642483 is 384246826.

628642483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 628642483 - 21 = 628642481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (628642481) 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, 5173 + ... + 35833.

It is an arithmetic number, because the mean of its divisors is an integer number (46912860).

Almost surely, 2628642483 is an apocalyptic number.

628642483 is a deficient number, since it is larger than the sum of its proper divisors (121963277).

628642483 is a wasteful number, since it uses less digits than its factorization.

628642483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30798.

The product of its digits is 442368, while the sum is 43.

The square root of 628642483 is about 25072.7438267135. The cubic root of 628642483 is about 856.6457059744.

The spelling of 628642483 in words is "six hundred twenty-eight million, six hundred forty-two thousand, four hundred eighty-three".

Divisors: 1 7 29 101 203 707 2929 20503 30661 214627 889169 3096761 6224183 21677327 89806069 628642483