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1428903190 = 251113999233
BaseRepresentation
bin101010100101011…
…0101010100010110
310200120201210200101
41111022311110112
510411244400230
6353442204314
750260322341
oct12512652426
93616653611
101428903190
11673640130
1233a65369a
1319a05b460
14d7ab7458
15856a3aca
hex552b5516

1428903190 has 32 divisors (see below), whose sum is σ = 3021683616. Its totient is φ = 479631360.

The previous prime is 1428903173. The next prime is 1428903293. The reversal of 1428903190 is 913098241.

It is a super-2 number, since 2×14289031902 = 4083528652784352200, which contains 22 as substring.

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, 498187 + ... + 501046.

It is an arithmetic number, because the mean of its divisors is an integer number (94427613).

Almost surely, 21428903190 is an apocalyptic number.

1428903190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1428903190 is an abundant number, since it is smaller than the sum of its proper divisors (1592780426).

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

1428903190 is a wasteful number, since it uses less digits than its factorization.

1428903190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 999264.

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 1428903190 is about 37800.8358373198. The cubic root of 1428903190 is about 1126.3350576702.

The spelling of 1428903190 in words is "one billion, four hundred twenty-eight million, nine hundred three thousand, one hundred ninety".

Divisors: 1 2 5 10 11 13 22 26 55 65 110 130 143 286 715 1430 999233 1998466 4996165 9992330 10991563 12990029 21983126 25980058 54957815 64950145 109915630 129900290 142890319 285780638 714451595 1428903190