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30473349 = 319352631
BaseRepresentation
bin111010000111…
…1110010000101
32010100012120120
41310033302011
530300121344
63005052153
7520006404
oct164176205
963305516
1030473349
1116224095
12a257059
13640c58a
14409363b
152a1e219
hex1d0fc85

30473349 has 8 divisors (see below), whose sum is σ = 40842432. Its totient is φ = 20209920.

The previous prime is 30473347. The next prime is 30473353. The reversal of 30473349 is 94337403.

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

It is not a de Polignac number, because 30473349 - 21 = 30473347 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30473347) 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 7 ways as a sum of consecutive naturals, for example, 25737 + ... + 26894.

It is an arithmetic number, because the mean of its divisors is an integer number (5105304).

Almost surely, 230473349 is an apocalyptic number.

It is an amenable number.

30473349 is a deficient number, since it is larger than the sum of its proper divisors (10369083).

30473349 is a wasteful number, since it uses less digits than its factorization.

30473349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52827.

The product of its (nonzero) digits is 27216, while the sum is 33.

The square root of 30473349 is about 5520.2671131024. The cubic root of 30473349 is about 312.3489582616.

The spelling of 30473349 in words is "thirty million, four hundred seventy-three thousand, three hundred forty-nine".

Divisors: 1 3 193 579 52631 157893 10157783 30473349