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6528472428 = 2231928633651
BaseRepresentation
bin1100001010010000…
…01001010101101100
3121211222110202120010
412011020021111230
5101332242104203
62555451453220
7320532046212
oct60510112554
917758422503
106528472428
112850174a65
121322457210
1380070c74a
1445d096cb2
15283227303
hex18520956c

6528472428 has 24 divisors (see below), whose sum is σ = 16034845120. Its totient is φ = 2061622800.

The previous prime is 6528472397. The next prime is 6528472451. The reversal of 6528472428 is 8242748256.

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 7 ways as a sum of consecutive naturals, for example, 14316598 + ... + 14317053.

Almost surely, 26528472428 is an apocalyptic number.

It is an amenable number.

6528472428 is an abundant number, since it is smaller than the sum of its proper divisors (9506372692).

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

6528472428 is a wasteful number, since it uses less digits than its factorization.

6528472428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28633677 (or 28633675 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 48.

The square root of 6528472428 is about 80798.9630379004. The cubic root of 6528472428 is about 1868.9765747913.

The spelling of 6528472428 in words is "six billion, five hundred twenty-eight million, four hundred seventy-two thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 28633651 57267302 85900953 114534604 171801906 343603812 544039369 1088078738 1632118107 2176157476 3264236214 6528472428