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30517192 = 2319200771
BaseRepresentation
bin111010001101…
…0011111001000
32010102102201101
41310122133020
530303022232
63010031144
7520251256
oct164323710
963372641
1030517192
1116254022
12a2784b4
136426514
1440a55d6
152a2c1e7
hex1d1a7c8

30517192 has 16 divisors (see below), whose sum is σ = 60231600. Its totient is φ = 14455440.

The previous prime is 30517181. The next prime is 30517213. The reversal of 30517192 is 29171503.

It is a self number, because there is not a number n which added to its sum of digits gives 30517192.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 100234 + ... + 100537.

It is an arithmetic number, because the mean of its divisors is an integer number (3764475).

Almost surely, 230517192 is an apocalyptic number.

It is an amenable number.

30517192 is a deficient number, since it is larger than the sum of its proper divisors (29714408).

30517192 is a wasteful number, since it uses less digits than its factorization.

30517192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200796 (or 200792 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 28.

The square root of 30517192 is about 5524.2367798638. The cubic root of 30517192 is about 312.4986820211.

Adding to 30517192 its reverse (29171503), we get a palindrome (59688695).

The spelling of 30517192 in words is "thirty million, five hundred seventeen thousand, one hundred ninety-two".

Divisors: 1 2 4 8 19 38 76 152 200771 401542 803084 1606168 3814649 7629298 15258596 30517192