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1428104438 = 21223583853
BaseRepresentation
bin101010100011111…
…0010010011110110
310200112020012222222
41111013302103312
510411043320223
6353413122342
750250454535
oct12507622366
93615205888
101428104438
11673145002
1233a3293b2
13199b3ba17
14d794a31c
15855970c8
hex551f24f6

1428104438 has 8 divisors (see below), whose sum is σ = 2143911888. Its totient is φ = 713467144.

The previous prime is 1428104411. The next prime is 1428104453. The reversal of 1428104438 is 8344018241.

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

It is a junction number, because it is equal to n+sod(n) for n = 1428104398 and 1428104407.

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 3 ways as a sum of consecutive naturals, for example, 289481 + ... + 294372.

It is an arithmetic number, because the mean of its divisors is an integer number (267988986).

Almost surely, 21428104438 is an apocalyptic number.

1428104438 is a deficient number, since it is larger than the sum of its proper divisors (715807450).

1428104438 is a wasteful number, since it uses less digits than its factorization.

1428104438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 585078.

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1428104438 is about 37790.2690913944. The cubic root of 1428104438 is about 1126.1251460693.

The spelling of 1428104438 in words is "one billion, four hundred twenty-eight million, one hundred four thousand, four hundred thirty-eight".

Divisors: 1 2 1223 2446 583853 1167706 714052219 1428104438