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30268528 = 245033761
BaseRepresentation
bin111001101110…
…1110001110000
32002221210121121
41303131301300
530222043103
63000432024
7515164303
oct163356160
962853547
1030268528
11160a4214
12a178614
13636a294
14403cb3a
1529cd6bd
hex1cddc70

30268528 has 20 divisors (see below), whose sum is σ = 58777488. Its totient is φ = 15100160.

The previous prime is 30268487. The next prime is 30268531. The reversal of 30268528 is 82586203.

It is a junction number, because it is equal to n+sod(n) for n = 30268493 and 30268502.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6168 + ... + 9928.

Almost surely, 230268528 is an apocalyptic number.

It is an amenable number.

30268528 is a deficient number, since it is larger than the sum of its proper divisors (28508960).

30268528 is a wasteful number, since it uses less digits than its factorization.

30268528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4266 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 30268528 is about 5501.6841057989. The cubic root of 30268528 is about 311.6475858693.

The spelling of 30268528 in words is "thirty million, two hundred sixty-eight thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 16 503 1006 2012 3761 4024 7522 8048 15044 30088 60176 1891783 3783566 7567132 15134264 30268528