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30542051 is a prime number
BaseRepresentation
bin111010010000…
…0100011100011
32010110200211002
41310200203203
530304321201
63010342215
7520413611
oct164404343
963420732
1030542051
1116270771
12a28a96b
136434927
1440b06b1
152a3476b
hex1d208e3

30542051 has 2 divisors, whose sum is σ = 30542052. Its totient is φ = 30542050.

The previous prime is 30542033. The next prime is 30542059. The reversal of 30542051 is 15024503.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30542051 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30542059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15271025 + 15271026.

It is an arithmetic number, because the mean of its divisors is an integer number (15271026).

Almost surely, 230542051 is an apocalyptic number.

30542051 is a deficient number, since it is larger than the sum of its proper divisors (1).

30542051 is an equidigital number, since it uses as much as digits as its factorization.

30542051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 30542051 is about 5526.4863159154. The cubic root of 30542051 is about 312.5835117605.

Adding to 30542051 its reverse (15024503), we get a palindrome (45566554).

The spelling of 30542051 in words is "thirty million, five hundred forty-two thousand, fifty-one".