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30255273 = 324378179
BaseRepresentation
bin111001101101…
…0100010101001
32002221010102200
41303122202221
530221132043
63000250413
7515110536
oct163324251
962833380
1030255273
1116095264
12a170a09
136364239
144037d8d
1529c97d3
hex1cda8a9

30255273 has 12 divisors (see below), whose sum is σ = 44718960. Its totient is φ = 19700856.

The previous prime is 30255229. The next prime is 30255299. The reversal of 30255273 is 37255203.

It is a de Polignac number, because none of the positive numbers 2k-30255273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30255073) 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 11 ways as a sum of consecutive naturals, for example, 38703 + ... + 39476.

It is an arithmetic number, because the mean of its divisors is an integer number (3726580).

Almost surely, 230255273 is an apocalyptic number.

It is an amenable number.

30255273 is a deficient number, since it is larger than the sum of its proper divisors (14463687).

30255273 is a wasteful number, since it uses less digits than its factorization.

30255273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78228 (or 78225 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 30255273 is about 5500.4793427482. The cubic root of 30255273 is about 311.6020876553.

The spelling of 30255273 in words is "thirty million, two hundred fifty-five thousand, two hundred seventy-three".

Divisors: 1 3 9 43 129 387 78179 234537 703611 3361697 10085091 30255273