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30270937 is a prime number
BaseRepresentation
bin111001101111…
…0010111011001
32002221220220211
41303132113121
530222132222
63000451121
7515204314
oct163362731
962856824
1030270937
11160a6004
12a179aa1
13636b3c8
14403d97b
1529ce277
hex1cde5d9

30270937 has 2 divisors, whose sum is σ = 30270938. Its totient is φ = 30270936.

The previous prime is 30270923. The next prime is 30270949. The reversal of 30270937 is 73907203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29278921 + 992016 = 5411^2 + 996^2 .

It is a cyclic number.

It is not a de Polignac number, because 30270937 - 219 = 29746649 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 30270899 and 30270908.

It is not a weakly prime, because it can be changed into another prime (30270917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15135468 + 15135469.

It is an arithmetic number, because the mean of its divisors is an integer number (15135469).

Almost surely, 230270937 is an apocalyptic number.

It is an amenable number.

30270937 is a deficient number, since it is larger than the sum of its proper divisors (1).

30270937 is an equidigital number, since it uses as much as digits as its factorization.

30270937 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7938, while the sum is 31.

The square root of 30270937 is about 5501.9030344055. The cubic root of 30270937 is about 311.6558534128.

The spelling of 30270937 in words is "thirty million, two hundred seventy thousand, nine hundred thirty-seven".