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628950190 = 2511173171061
BaseRepresentation
bin100101011111010…
…000010010101110
31121211110222110111
4211133100102232
52242002401230
6142224330234
721404663011
oct4537202256
91554428414
10628950190
112a3031650
1215677397a
13a03c3a9b
145d761378
153a33a92a
hex257d04ae

628950190 has 64 divisors (see below), whose sum is σ = 1313039808. Its totient is φ = 214374400.

The previous prime is 628950169. The next prime is 628950191. The reversal of 628950190 is 91059826.

628950190 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6289501902 = 791156683002072200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (628950191) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592260 + ... + 593320.

It is an arithmetic number, because the mean of its divisors is an integer number (20516247).

Almost surely, 2628950190 is an apocalyptic number.

628950190 is an abundant number, since it is smaller than the sum of its proper divisors (684089618).

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

628950190 is a wasteful number, since it uses less digits than its factorization.

628950190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 628950190 is about 25078.8793609284. The cubic root of 628950190 is about 856.7854530701.

The spelling of 628950190 in words is "six hundred twenty-eight million, nine hundred fifty thousand, one hundred ninety".

Divisors: 1 2 5 10 11 17 22 34 55 85 110 170 187 317 374 634 935 1061 1585 1870 2122 3170 3487 5305 5389 6974 10610 10778 11671 17435 18037 23342 26945 34870 36074 53890 58355 59279 90185 116710 118558 180370 198407 296395 336337 396814 592790 672674 992035 1681685 1984070 3363370 3699707 5717729 7399414 11435458 18498535 28588645 36997070 57177290 62895019 125790038 314475095 628950190