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628442076 = 223434725913
BaseRepresentation
bin100101011101010…
…100001111011100
31121210112011110110
4211131110033130
52241340121301
6142205410020
721400445433
oct4535241734
91553464413
10628442076
112a2814919
12156569910
13a0276722
145d66c11a
153a28a0d6
hex257543dc

628442076 has 48 divisors (see below), whose sum is σ = 1532450304. Its totient is φ = 200247936.

The previous prime is 628442063. The next prime is 628442117. The reversal of 628442076 is 670244826.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11296 + ... + 37208.

It is an arithmetic number, because the mean of its divisors is an integer number (31926048).

Almost surely, 2628442076 is an apocalyptic number.

It is an amenable number.

628442076 is an abundant number, since it is smaller than the sum of its proper divisors (904008228).

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

628442076 is a wasteful number, since it uses less digits than its factorization.

628442076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26010 (or 26008 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The square root of 628442076 is about 25068.7469970080. The cubic root of 628442076 is about 856.5546653341.

The spelling of 628442076 in words is "six hundred twenty-eight million, four hundred forty-two thousand, seventy-six".

Divisors: 1 2 3 4 6 12 43 47 86 94 129 141 172 188 258 282 516 564 2021 4042 6063 8084 12126 24252 25913 51826 77739 103652 155478 310956 1114259 1217911 2228518 2435822 3342777 3653733 4457036 4871644 6685554 7307466 13371108 14614932 52370173 104740346 157110519 209480692 314221038 628442076