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30674993 is a prime number
BaseRepresentation
bin111010100000…
…1000000110001
32010201110011212
41311001000301
530323044433
63013245505
7521506316
oct165010061
963643155
1030674993
1116351638
12a333895
1364802ab
144106d0d
152a5dd48
hex1d41031

30674993 has 2 divisors, whose sum is σ = 30674994. Its totient is φ = 30674992.

The previous prime is 30674983. The next prime is 30675017. The reversal of 30674993 is 39947603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22963264 + 7711729 = 4792^2 + 2777^2 .

It is a cyclic number.

It is not a de Polignac number, because 30674993 - 210 = 30673969 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30674993.

It is not a weakly prime, because it can be changed into another prime (30674923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15337496 + 15337497.

It is an arithmetic number, because the mean of its divisors is an integer number (15337497).

Almost surely, 230674993 is an apocalyptic number.

It is an amenable number.

30674993 is a deficient number, since it is larger than the sum of its proper divisors (1).

30674993 is an equidigital number, since it uses as much as digits as its factorization.

30674993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 41.

The square root of 30674993 is about 5538.5009704793. The cubic root of 30674993 is about 313.0363882338.

The spelling of 30674993 in words is "thirty million, six hundred seventy-four thousand, nine hundred ninety-three".