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628706195 = 51323124001
BaseRepresentation
bin100101011110010…
…100101110010011
31121211000120202122
4211132110232103
52241422044240
6142215204455
721402625445
oct4536245623
91554016678
10628706195
112a29852a7
1215667672b
13a0339a00
145d6da495
153a2dd4b5
hex25794b93

628706195 has 24 divisors (see below), whose sum is σ = 843334272. Its totient is φ = 449280000.

The previous prime is 628706161. The next prime is 628706203. The reversal of 628706195 is 591607826.

It is not a de Polignac number, because 628706195 - 26 = 628706131 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14195 + ... + 38195.

It is an arithmetic number, because the mean of its divisors is an integer number (35138928).

Almost surely, 2628706195 is an apocalyptic number.

628706195 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

628706195 is a deficient number, since it is larger than the sum of its proper divisors (214628077).

628706195 is a wasteful number, since it uses less digits than its factorization.

628706195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24063 (or 24050 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 628706195 is about 25074.0143375567. The cubic root of 628706195 is about 856.6746449283.

The spelling of 628706195 in words is "six hundred twenty-eight million, seven hundred six thousand, one hundred ninety-five".

Divisors: 1 5 13 31 65 155 169 403 845 2015 5239 24001 26195 120005 312013 744031 1560065 3720155 4056169 9672403 20280845 48362015 125741239 628706195