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28056483 = 3371319601
BaseRepresentation
bin110101100000…
…1101110100011
31221210102021000
41223001232203
524140301413
62441203043
7460322220
oct153015643
957712230
1028056483
1114923284
129490483
135a74490
143a24947
1526e3073
hex1ac1ba3

28056483 has 64 divisors (see below), whose sum is σ = 53939200. Its totient is φ = 13996800.

The previous prime is 28056461. The next prime is 28056493. The reversal of 28056483 is 38465082.

28056483 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 648 + 3 = 666.

It is not a de Polignac number, because 28056483 - 26 = 28056419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28056403) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 46383 + ... + 46983.

It is an arithmetic number, because the mean of its divisors is an integer number (842800).

Almost surely, 228056483 is an apocalyptic number.

28056483 is a deficient number, since it is larger than the sum of its proper divisors (25882717).

28056483 is a wasteful number, since it uses less digits than its factorization.

28056483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649 (or 643 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 28056483 is about 5296.8370750855. The cubic root of 28056483 is about 303.8629453471.

The spelling of 28056483 in words is "twenty-eight million, fifty-six thousand, four hundred eighty-three".

Divisors: 1 3 7 9 13 19 21 27 39 57 63 91 117 133 171 189 247 273 351 399 513 601 741 819 1197 1729 1803 2223 2457 3591 4207 5187 5409 6669 7813 11419 12621 15561 16227 23439 34257 37863 46683 54691 70317 79933 102771 113589 148447 164073 210951 239799 308313 445341 492219 719397 1039129 1336023 1476657 2158191 3117387 4008069 9352161 28056483