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30902059 is a prime number
BaseRepresentation
bin111010111100…
…0011100101011
32011010222122201
41311320130223
530402331214
63022201031
7523443316
oct165703453
964128581
1030902059
11164971a1
12a423177
13652c756
14416597d
152aa6274
hex1d7872b

30902059 has 2 divisors, whose sum is σ = 30902060. Its totient is φ = 30902058.

The previous prime is 30902057. The next prime is 30902089. The reversal of 30902059 is 95020903.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30902059 - 21 = 30902057 is a prime.

Together with 30902057, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30902057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15451029 + 15451030.

It is an arithmetic number, because the mean of its divisors is an integer number (15451030).

Almost surely, 230902059 is an apocalyptic number.

30902059 is a deficient number, since it is larger than the sum of its proper divisors (1).

30902059 is an equidigital number, since it uses as much as digits as its factorization.

30902059 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 30902059 is about 5558.9620434034. The cubic root of 30902059 is about 313.8068883052.

The spelling of 30902059 in words is "thirty million, nine hundred two thousand, fifty-nine".