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30255298 = 2113133873
BaseRepresentation
bin111001101101…
…0100011000010
32002221010110121
41303122203002
530221132143
63000250454
7515110603
oct163324302
962833417
1030255298
1116095287
12a170a2a
136364258
144037daa
1529c97ed
hex1cda8c2

30255298 has 8 divisors (see below), whose sum is σ = 45784908. Its totient is φ = 14993664.

The previous prime is 30255229. The next prime is 30255299. The reversal of 30255298 is 89255203.

It can be written as a sum of positive squares in 2 ways, for example, as 28440889 + 1814409 = 5333^2 + 1347^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30255299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66711 + ... + 67162.

Almost surely, 230255298 is an apocalyptic number.

30255298 is a deficient number, since it is larger than the sum of its proper divisors (15529610).

30255298 is a wasteful number, since it uses less digits than its factorization.

30255298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133988.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 30255298 is about 5500.4816152770. The cubic root of 30255298 is about 311.6021734811.

The spelling of 30255298 in words is "thirty million, two hundred fifty-five thousand, two hundred ninety-eight".

Divisors: 1 2 113 226 133873 267746 15127649 30255298