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30053693 is a prime number
BaseRepresentation
bin111001010100…
…1010100111101
32002112212220202
41302221110331
530143204233
62552053245
7513311045
oct162512475
962485822
1030053693
1115a6786a
12a094225
1362c3567
143dc4725
152989be8
hex1ca953d

30053693 has 2 divisors, whose sum is σ = 30053694. Its totient is φ = 30053692.

The previous prime is 30053623. The next prime is 30053701. The reversal of 30053693 is 39635003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30052324 + 1369 = 5482^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 30053693 - 220 = 29005117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30053623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15026846 + 15026847.

It is an arithmetic number, because the mean of its divisors is an integer number (15026847).

Almost surely, 230053693 is an apocalyptic number.

It is an amenable number.

30053693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30053693 is an equidigital number, since it uses as much as digits as its factorization.

30053693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7290, while the sum is 29.

The square root of 30053693 is about 5482.1248617666. The cubic root of 30053693 is about 310.9085141520.

Adding to 30053693 its reverse (39635003), we get a palindrome (69688696).

The spelling of 30053693 in words is "thirty million, fifty-three thousand, six hundred ninety-three".