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30676493 is a prime number
BaseRepresentation
bin111010100000…
…1011000001101
32010201112020102
41311001120031
530323121433
63013300445
7521513561
oct165013015
963645212
1030676493
1116352781
12a334725
136480b93
1441076a1
152a5e4e8
hex1d4160d

30676493 has 2 divisors, whose sum is σ = 30676494. Its totient is φ = 30676492.

The previous prime is 30676463. The next prime is 30676511. The reversal of 30676493 is 39467603.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17156164 + 13520329 = 4142^2 + 3677^2 .

It is a cyclic number.

It is not a de Polignac number, because 30676493 - 28 = 30676237 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 (30676463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15338246 + 15338247.

It is an arithmetic number, because the mean of its divisors is an integer number (15338247).

Almost surely, 230676493 is an apocalyptic number.

It is an amenable number.

30676493 is a deficient number, since it is larger than the sum of its proper divisors (1).

30676493 is an equidigital number, since it uses as much as digits as its factorization.

30676493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 30676493 is about 5538.6363845264. The cubic root of 30676493 is about 313.0414906194.

The spelling of 30676493 in words is "thirty million, six hundred seventy-six thousand, four hundred ninety-three".