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30470330 = 2511277003
BaseRepresentation
bin111010000111…
…1000010111010
32010100001102202
41310033002322
530300022310
63005030202
7516664532
oct164170272
963301382
1030470330
11162218a0
12a255362
13640b0a7
1440924c2
152a1d3a5
hex1d0f0ba

30470330 has 16 divisors (see below), whose sum is σ = 59832864. Its totient is φ = 11080080.

The previous prime is 30470311. The next prime is 30470347. The reversal of 30470330 is 3307403.

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 7 ways as a sum of consecutive naturals, for example, 138392 + ... + 138611.

It is an arithmetic number, because the mean of its divisors is an integer number (3739554).

Almost surely, 230470330 is an apocalyptic number.

30470330 is a deficient number, since it is larger than the sum of its proper divisors (29362534).

30470330 is a wasteful number, since it uses less digits than its factorization.

30470330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277021.

The product of its (nonzero) digits is 756, while the sum is 20.

The square root of 30470330 is about 5519.9936594166. The cubic root of 30470330 is about 312.3386430990.

Adding to 30470330 its reverse (3307403), we get a palindrome (33777733).

The spelling of 30470330 in words is "thirty million, four hundred seventy thousand, three hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 277003 554006 1385015 2770030 3047033 6094066 15235165 30470330