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30495053 is a prime number
BaseRepresentation
bin111010001010…
…1000101001101
32010101022100102
41310111011031
530301320203
63005340445
7520126601
oct164250515
963338312
1030495053
1116239426
12a267725
136419414
14409b501
152a25888
hex1d1514d

30495053 has 2 divisors, whose sum is σ = 30495054. Its totient is φ = 30495052.

The previous prime is 30495013. The next prime is 30495077. The reversal of 30495053 is 35059403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27175369 + 3319684 = 5213^2 + 1822^2 .

It is a cyclic number.

It is not a de Polignac number, because 30495053 - 28 = 30494797 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30495013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15247526 + 15247527.

It is an arithmetic number, because the mean of its divisors is an integer number (15247527).

Almost surely, 230495053 is an apocalyptic number.

It is an amenable number.

30495053 is a deficient number, since it is larger than the sum of its proper divisors (1).

30495053 is an equidigital number, since it uses as much as digits as its factorization.

30495053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8100, while the sum is 29.

The square root of 30495053 is about 5522.2326100953. The cubic root of 30495053 is about 312.4230953157.

The spelling of 30495053 in words is "thirty million, four hundred ninety-five thousand, fifty-three".