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1420227648 = 26337117413
BaseRepresentation
bin101010010100110…
…1111010001000000
310122222102001002000
41110221233101000
510402034241043
6352532224000
750123510250
oct12451572100
93588361060
101420227648
11669755064
1233776b000
131983116b8
14d6899960
1584a3d2d3
hex54a6f440

1420227648 has 112 divisors (see below), whose sum is σ = 4771704960. Its totient is φ = 405775872.

The previous prime is 1420227563. The next prime is 1420227661. The reversal of 1420227648 is 8467220241.

1420227648 is a `hidden beast` number, since 1 + 4 + 2 + 0 + 2 + 2 + 7 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×14202276482 = 4034093144287223808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 46611 + ... + 70802.

Almost surely, 21420227648 is an apocalyptic number.

1420227648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1420227648 is an abundant number, since it is smaller than the sum of its proper divisors (3351477312).

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

1420227648 is a wasteful number, since it uses less digits than its factorization.

1420227648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117441 (or 117425 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1420227648 is about 37685.9078171138. The cubic root of 1420227648 is about 1124.0509257879.

Adding to 1420227648 its reverse (8467220241), we get a palindrome (9887447889).

The spelling of 1420227648 in words is "one billion, four hundred twenty million, two hundred twenty-seven thousand, six hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 84 96 108 112 126 144 168 189 192 216 224 252 288 336 378 432 448 504 576 672 756 864 1008 1344 1512 1728 2016 3024 4032 6048 12096 117413 234826 352239 469652 704478 821891 939304 1056717 1408956 1643782 1878608 2113434 2465673 2817912 3170151 3287564 3757216 4226868 4931346 5635824 6340302 6575128 7397019 7514432 8453736 9862692 11271648 12680604 13150256 14794038 16907472 19725384 22191057 22543296 25361208 26300512 29588076 33814944 39450768 44382114 50722416 52601024 59176152 67629888 78901536 88764228 101444832 118352304 157803072 177528456 202889664 236704608 355056912 473409216 710113824 1420227648