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30224457 = 3230710939
BaseRepresentation
bin111001101001…
…1000001001001
32002212120011100
41303103001021
530214140312
62555452013
7514621644
oct163230111
962776140
1030224457
111607409a
12a157009
1363531c3
14402aa5b
1529c05dc
hex1cd3049

30224457 has 12 divisors (see below), whose sum is σ = 43803760. Its totient is φ = 20082168.

The previous prime is 30224443. The next prime is 30224471. The reversal of 30224457 is 75442203.

It is an interprime number because it is at equal distance from previous prime (30224443) and next prime (30224471).

It is not a de Polignac number, because 30224457 - 212 = 30220361 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30224457.

It is not an unprimeable number, because it can be changed into a prime (30224407) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 2707 + ... + 8232.

Almost surely, 230224457 is an apocalyptic number.

It is an amenable number.

30224457 is a deficient number, since it is larger than the sum of its proper divisors (13579303).

30224457 is a wasteful number, since it uses less digits than its factorization.

30224457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252 (or 11249 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 30224457 is about 5497.6774186924. The cubic root of 30224457 is about 311.4962593602.

The spelling of 30224457 in words is "thirty million, two hundred twenty-four thousand, four hundred fifty-seven".

Divisors: 1 3 9 307 921 2763 10939 32817 98451 3358273 10074819 30224457