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30530675 = 527224923
BaseRepresentation
bin111010001110…
…1110001110011
32010110010012202
41310131301303
530303440200
63010213415
7520335500
oct164356163
963403182
1030530675
111626316a
12a28426b
13642c6b6
1440aa4a7
152a311d5
hex1d1dc73

30530675 has 18 divisors (see below), whose sum is σ = 44040708. Its totient is φ = 20934480.

The previous prime is 30530659. The next prime is 30530677. The reversal of 30530675 is 57603503.

It is not a de Polignac number, because 30530675 - 24 = 30530659 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30530677) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 11237 + ... + 13686.

It is an arithmetic number, because the mean of its divisors is an integer number (2446706).

Almost surely, 230530675 is an apocalyptic number.

30530675 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

30530675 is a deficient number, since it is larger than the sum of its proper divisors (13510033).

30530675 is a wasteful number, since it uses less digits than its factorization.

30530675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24947 (or 24935 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 30530675 is about 5525.4569946747. The cubic root of 30530675 is about 312.5446976065.

The spelling of 30530675 in words is "thirty million, five hundred thirty thousand, six hundred seventy-five".

Divisors: 1 5 7 25 35 49 175 245 1225 24923 124615 174461 623075 872305 1221227 4361525 6106135 30530675