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30483485 = 510955933
BaseRepresentation
bin111010001001…
…0010000011101
32010100201110222
41310102100131
530300432420
63005211125
7520051064
oct164222035
963321428
1030483485
111623076a
12a260aa5
136414086
1440971db
152a22225
hex1d1241d

30483485 has 8 divisors (see below), whose sum is σ = 36916440. Its totient is φ = 24162624.

The previous prime is 30483473. The next prime is 30483503. The reversal of 30483485 is 58438403.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2149156 + 28334329 = 1466^2 + 5323^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30483485 - 216 = 30417949 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27422 + ... + 28511.

It is an arithmetic number, because the mean of its divisors is an integer number (4614555).

Almost surely, 230483485 is an apocalyptic number.

It is an amenable number.

30483485 is a deficient number, since it is larger than the sum of its proper divisors (6432955).

30483485 is a wasteful number, since it uses less digits than its factorization.

30483485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56047.

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 30483485 is about 5521.1851082897. The cubic root of 30483485 is about 312.3835854379.

The spelling of 30483485 in words is "thirty million, four hundred eighty-three thousand, four hundred eighty-five".

Divisors: 1 5 109 545 55933 279665 6096697 30483485