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1428013536 = 25315239767
BaseRepresentation
bin101010100011101…
…1100000111100000
310200112001121022020
41111013130013200
510411032413121
6353411141440
750246625525
oct12507340740
93615047266
101428013536
11673092784
1233a2a4880
13199b09531
14d792514c
158557a1c6
hex551dc1e0

1428013536 has 48 divisors (see below), whose sum is σ = 3751380864. Its totient is φ = 475643264.

The previous prime is 1428013529. The next prime is 1428013567. The reversal of 1428013536 is 6353108241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 1428013497 and 1428013506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141325 + ... + 151091.

It is an arithmetic number, because the mean of its divisors is an integer number (78153768).

Almost surely, 21428013536 is an apocalyptic number.

1428013536 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1428013536 is an abundant number, since it is smaller than the sum of its proper divisors (2323367328).

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

1428013536 is a wasteful number, since it uses less digits than its factorization.

1428013536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303 (or 11295 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1428013536 is about 37789.0663552303. The cubic root of 1428013536 is about 1126.1012521119.

The spelling of 1428013536 in words is "one billion, four hundred twenty-eight million, thirteen thousand, five hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1523 3046 4569 6092 9138 9767 12184 18276 19534 24368 29301 36552 39068 48736 58602 73104 78136 117204 146208 156272 234408 312544 468816 937632 14875141 29750282 44625423 59500564 89250846 119001128 178501692 238002256 357003384 476004512 714006768 1428013536