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30463047 = 34715297
BaseRepresentation
bin111010000110…
…1010001000111
32010022200110000
41310031101013
530244304142
63004532343
7516634356
oct164152107
963280400
1030463047
111621737a
12a2510b3
136407994
14408d99d
152a1b14c
hex1d0d447

30463047 has 20 divisors (see below), whose sum is σ = 46156176. Its totient is φ = 20018880.

The previous prime is 30463039. The next prime is 30463067. The reversal of 30463047 is 74036403.

It is not a de Polignac number, because 30463047 - 23 = 30463039 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 30463047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30463067) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3103 + ... + 8399.

Almost surely, 230463047 is an apocalyptic number.

30463047 is a deficient number, since it is larger than the sum of its proper divisors (15693129).

30463047 is an equidigital number, since it uses as much as digits as its factorization.

30463047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5380 (or 5371 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 27.

The square root of 30463047 is about 5519.3339272053. Note that the first 3 decimals coincide. The cubic root of 30463047 is about 312.3137561177.

The spelling of 30463047 in words is "thirty million, four hundred sixty-three thousand, forty-seven".

Divisors: 1 3 9 27 71 81 213 639 1917 5297 5751 15891 47673 143019 376087 429057 1128261 3384783 10154349 30463047