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30103907 is a prime number
BaseRepresentation
bin111001011010…
…1100101100011
32002122102210112
41302311211203
530201311112
62553121535
7513610331
oct162654543
962572715
1030103907
1115aa1569
12a0b92ab
136310382
143dd8b51
152999a22
hex1cb5963

30103907 has 2 divisors, whose sum is σ = 30103908. Its totient is φ = 30103906.

The previous prime is 30103891. The next prime is 30103933. The reversal of 30103907 is 70930103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30103907 - 24 = 30103891 is a prime.

It is not a weakly prime, because it can be changed into another prime (30103937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051953 + 15051954.

It is an arithmetic number, because the mean of its divisors is an integer number (15051954).

Almost surely, 230103907 is an apocalyptic number.

30103907 is a deficient number, since it is larger than the sum of its proper divisors (1).

30103907 is an equidigital number, since it uses as much as digits as its factorization.

30103907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 567, while the sum is 23.

The square root of 30103907 is about 5486.7027439073. The cubic root of 30103907 is about 311.0815741186.

The spelling of 30103907 in words is "thirty million, one hundred three thousand, nine hundred seven".