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628450030 = 25134834231
BaseRepresentation
bin100101011101010…
…110001011101110
31121210112120101001
4211131112023232
52241340400110
6142205510514
721400510555
oct4535261356
91553476331
10628450030
112a281a89a
1215657243a
13a027a230
145d670d9c
153a28c63a
hex257562ee

628450030 has 16 divisors (see below), whose sum is σ = 1218226464. Its totient is φ = 232043040.

The previous prime is 628450027. The next prime is 628450063. The reversal of 628450030 is 30054826.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2416986 + ... + 2417245.

It is an arithmetic number, because the mean of its divisors is an integer number (76139154).

Almost surely, 2628450030 is an apocalyptic number.

628450030 is a deficient number, since it is larger than the sum of its proper divisors (589776434).

628450030 is a wasteful number, since it uses less digits than its factorization.

628450030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4834251.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 628450030 is about 25068.9056402548. The cubic root of 628450030 is about 856.5582790361.

The spelling of 628450030 in words is "six hundred twenty-eight million, four hundred fifty thousand, thirty".

Divisors: 1 2 5 10 13 26 65 130 4834231 9668462 24171155 48342310 62845003 125690006 314225015 628450030