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628087030 = 2562808703
BaseRepresentation
bin100101011011111…
…101100011110110
31121202212010102121
4211123331203312
52241242241110
6142154030154
721364436344
oct4533754366
91552763377
10628087030
112a25a209a
1215641835a
13a0180c3c
145d5b8994
153a219cda
hex256fd8f6

628087030 has 8 divisors (see below), whose sum is σ = 1130556672. Its totient is φ = 251234808.

The previous prime is 628087007. The next prime is 628087073. The reversal of 628087030 is 30780826.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31404342 + ... + 31404361.

It is an arithmetic number, because the mean of its divisors is an integer number (141319584).

Almost surely, 2628087030 is an apocalyptic number.

628087030 is a deficient number, since it is larger than the sum of its proper divisors (502469642).

628087030 is a wasteful number, since it uses less digits than its factorization.

628087030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62808710.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 628087030 is about 25061.6645496663. The cubic root of 628087030 is about 856.3933279525.

The spelling of 628087030 in words is "six hundred twenty-eight million, eighty-seven thousand, thirty".

Divisors: 1 2 5 10 62808703 125617406 314043515 628087030