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30259368 = 2332420269
BaseRepresentation
bin111001101101…
…1100010101000
32002221100001100
41303123202220
530221244433
63000321400
7515125506
oct163334250
962840040
1030259368
1116098347
12a173260
136366069
144039676
1529cab13
hex1cdb8a8

30259368 has 24 divisors (see below), whose sum is σ = 81952650. Its totient is φ = 10086432.

The previous prime is 30259357. The next prime is 30259387. The reversal of 30259368 is 86395203.

30259368 is a `hidden beast` number, since 3 + 0 + 2 + 593 + 68 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20412324 + 9847044 = 4518^2 + 3138^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 5 ways as a sum of consecutive naturals, for example, 210063 + ... + 210206.

Almost surely, 230259368 is an apocalyptic number.

It is an amenable number.

30259368 is an abundant number, since it is smaller than the sum of its proper divisors (51693282).

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

30259368 is a wasteful number, since it uses less digits than its factorization.

30259368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420281 (or 420274 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 30259368 is about 5500.8515704389. The cubic root of 30259368 is about 311.6161452929.

The spelling of 30259368 in words is "thirty million, two hundred fifty-nine thousand, three hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 420269 840538 1260807 1681076 2521614 3362152 3782421 5043228 7564842 10086456 15129684 30259368