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30464248 = 233808031
BaseRepresentation
bin111010000110…
…1100011111000
32010022202002111
41310031203320
530244323443
63004542104
7516641023
oct164154370
963282074
1030464248
1116218271
12a251934
1364083a9
1440901ba
152a1b69d
hex1d0d8f8

30464248 has 8 divisors (see below), whose sum is σ = 57120480. Its totient is φ = 15232120.

The previous prime is 30464243. The next prime is 30464249. The reversal of 30464248 is 84246403.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30464243) 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 as a sum of consecutive naturals, namely, 1904008 + ... + 1904023.

It is an arithmetic number, because the mean of its divisors is an integer number (7140060).

Almost surely, 230464248 is an apocalyptic number.

It is an amenable number.

30464248 is a deficient number, since it is larger than the sum of its proper divisors (26656232).

30464248 is a wasteful number, since it uses less digits than its factorization.

30464248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3808037 (or 3808033 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 30464248 is about 5519.4427254932. The cubic root of 30464248 is about 312.3178603678.

The spelling of 30464248 in words is "thirty million, four hundred sixty-four thousand, two hundred forty-eight".

Divisors: 1 2 4 8 3808031 7616062 15232124 30464248