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30501109 is a prime number
BaseRepresentation
bin111010001011…
…0100011110101
32010101121122201
41310112203311
530302013414
63005424501
7520153342
oct164264365
963347581
1030501109
1116242a31
12a26b131
13641c0c2
14409d7c9
152a27574
hex1d168f5

30501109 has 2 divisors, whose sum is σ = 30501110. Its totient is φ = 30501108.

The previous prime is 30501001. The next prime is 30501131. The reversal of 30501109 is 90110503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24226084 + 6275025 = 4922^2 + 2505^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30501109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30501139) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15250554 + 15250555.

It is an arithmetic number, because the mean of its divisors is an integer number (15250555).

Almost surely, 230501109 is an apocalyptic number.

It is an amenable number.

30501109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30501109 is an equidigital number, since it uses as much as digits as its factorization.

30501109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 135, while the sum is 19.

The square root of 30501109 is about 5522.7809118233. The cubic root of 30501109 is about 312.4437752714.

The spelling of 30501109 in words is "thirty million, five hundred one thousand, one hundred nine".