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30674057 is a prime number
BaseRepresentation
bin111010100000…
…0110010001001
32010201101220012
41311000302021
530323032212
63013241305
7521503511
oct165006211
963641805
1030674057
1116350967
12a333235
13647ca3b
144106841
152a5d922
hex1d40c89

30674057 has 2 divisors, whose sum is σ = 30674058. Its totient is φ = 30674056.

The previous prime is 30674051. The next prime is 30674071. The reversal of 30674057 is 75047603.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22316176 + 8357881 = 4724^2 + 2891^2 .

It is an emirp because it is prime and its reverse (75047603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30674057 - 210 = 30673033 is a prime.

It is not a weakly prime, because it can be changed into another prime (30674051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15337028 + 15337029.

It is an arithmetic number, because the mean of its divisors is an integer number (15337029).

Almost surely, 230674057 is an apocalyptic number.

It is an amenable number.

30674057 is a deficient number, since it is larger than the sum of its proper divisors (1).

30674057 is an equidigital number, since it uses as much as digits as its factorization.

30674057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17640, while the sum is 32.

The square root of 30674057 is about 5538.4164704363. The cubic root of 30674057 is about 313.0332042609.

The spelling of 30674057 in words is "thirty million, six hundred seventy-four thousand, fifty-seven".