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30256304 = 2413145463
BaseRepresentation
bin111001101101…
…0110010110000
32002221011211212
41303122302300
530221200204
63000255252
7515113541
oct163326260
962834755
1030256304
1116096011
12a171528
136364850
1440384c8
1529c9c6e
hex1cdacb0

30256304 has 20 divisors (see below), whose sum is σ = 63131376. Its totient is φ = 13964352.

The previous prime is 30256301. The next prime is 30256333. The reversal of 30256304 is 40365203.

It is a self number, because there is not a number n which added to its sum of digits gives 30256304.

It is not an unprimeable number, because it can be changed into a prime (30256301) 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 3 ways as a sum of consecutive naturals, for example, 72524 + ... + 72939.

Almost surely, 230256304 is an apocalyptic number.

It is an amenable number.

30256304 is an abundant number, since it is smaller than the sum of its proper divisors (32875072).

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

30256304 is a wasteful number, since it uses less digits than its factorization.

30256304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145484 (or 145478 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 30256304 is about 5500.5730610546. The cubic root of 30256304 is about 311.6056270726.

The spelling of 30256304 in words is "thirty million, two hundred fifty-six thousand, three hundred four".

Divisors: 1 2 4 8 13 16 26 52 104 208 145463 290926 581852 1163704 1891019 2327408 3782038 7564076 15128152 30256304