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1428593936 = 247111995827
BaseRepresentation
bin101010100100110…
…1001110100010000
310200120011002110112
41111021221310100
510411210001221
6353431420452
750254563620
oct12511516420
93616132415
101428593936
11673449850
1233a524728
13199c80773
14d7a36880
158564215b
hex55269d10

1428593936 has 80 divisors (see below), whose sum is σ = 3468825600. Its totient is φ = 553703040.

The previous prime is 1428593923. The next prime is 1428593951. The reversal of 1428593936 is 6393958241.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242255 + ... + 248081.

It is an arithmetic number, because the mean of its divisors is an integer number (43360320).

Almost surely, 21428593936 is an apocalyptic number.

1428593936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1428593936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1734412800).

1428593936 is an abundant number, since it is smaller than the sum of its proper divisors (2040231664).

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

1428593936 is a wasteful number, since it uses less digits than its factorization.

1428593936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6052 (or 6046 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 50.

The square root of 1428593936 is about 37796.7450450432. The cubic root of 1428593936 is about 1126.2537951661.

The spelling of 1428593936 in words is "one billion, four hundred twenty-eight million, five hundred ninety-three thousand, nine hundred thirty-six".

Divisors: 1 2 4 7 8 11 14 16 22 28 44 56 77 88 112 154 176 199 308 398 616 796 1232 1393 1592 2189 2786 3184 4378 5572 5827 8756 11144 11654 15323 17512 22288 23308 30646 35024 40789 46616 61292 64097 81578 93232 122584 128194 163156 245168 256388 326312 448679 512776 652624 897358 1025552 1159573 1794716 2319146 3589432 4638292 7178864 8117011 9276584 12755303 16234022 18553168 25510606 32468044 51021212 64936088 89287121 102042424 129872176 178574242 204084848 357148484 714296968 1428593936