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30758053 is a prime number
BaseRepresentation
bin111010101010…
…1010010100101
32010212200010011
41311111102211
530333224203
63015130221
7522303424
oct165252245
963780104
1030758053
11163a8a87
12a373971
1364ac041
1441292bb
152a7876d
hex1d554a5

30758053 has 2 divisors, whose sum is σ = 30758054. Its totient is φ = 30758052.

The previous prime is 30758047. The next prime is 30758071. The reversal of 30758053 is 35085703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16785409 + 13972644 = 4097^2 + 3738^2 .

It is a cyclic number.

It is not a de Polignac number, because 30758053 - 29 = 30757541 is a prime.

It is equal to p1901983 and since 30758053 and 1901983 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30758033) 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, 15379026 + 15379027.

It is an arithmetic number, because the mean of its divisors is an integer number (15379027).

Almost surely, 230758053 is an apocalyptic number.

It is an amenable number.

30758053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30758053 is an equidigital number, since it uses as much as digits as its factorization.

30758053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 30758053 is about 5545.9943202279. The cubic root of 30758053 is about 313.3186743054.

The spelling of 30758053 in words is "thirty million, seven hundred fifty-eight thousand, fifty-three".