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30148507 is a prime number
BaseRepresentation
bin111001100000…
…0011110011011
32002201200222101
41303000132123
530204223012
62554104231
7514154344
oct163003633
962650871
1030148507
1116022024
12a11b077
13632776c
14400b0cb
1529a7d57
hex1cc079b

30148507 has 2 divisors, whose sum is σ = 30148508. Its totient is φ = 30148506.

The previous prime is 30148501. The next prime is 30148519. The reversal of 30148507 is 70584103.

It is a weak prime.

It is an emirp because it is prime and its reverse (70584103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30148507 - 23 = 30148499 is a prime.

It is not a weakly prime, because it can be changed into another prime (30148501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15074253 + 15074254.

It is an arithmetic number, because the mean of its divisors is an integer number (15074254).

Almost surely, 230148507 is an apocalyptic number.

30148507 is a deficient number, since it is larger than the sum of its proper divisors (1).

30148507 is an equidigital number, since it uses as much as digits as its factorization.

30148507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 30148507 is about 5490.7656114608. The cubic root of 30148507 is about 311.2351244215.

The spelling of 30148507 in words is "thirty million, one hundred forty-eight thousand, five hundred seven".