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30160939 is a prime number
BaseRepresentation
bin111001100001…
…1100000101011
32002202100000211
41303003200223
530210122224
62554241551
7514235524
oct163034053
962670024
1030160939
11160303a6
12a1262b7
136330313
14401184b
1529ab894
hex1cc382b

30160939 has 2 divisors, whose sum is σ = 30160940. Its totient is φ = 30160938.

The previous prime is 30160937. The next prime is 30160951. The reversal of 30160939 is 93906103.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30160939 - 21 = 30160937 is a prime.

Together with 30160937, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 30160939.

It is not a weakly prime, because it can be changed into another prime (30160937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15080469 + 15080470.

It is an arithmetic number, because the mean of its divisors is an integer number (15080470).

Almost surely, 230160939 is an apocalyptic number.

30160939 is a deficient number, since it is larger than the sum of its proper divisors (1).

30160939 is an equidigital number, since it uses as much as digits as its factorization.

30160939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 31.

The square root of 30160939 is about 5491.8975773406. The cubic root of 30160939 is about 311.2778987159.

The spelling of 30160939 in words is "thirty million, one hundred sixty thousand, nine hundred thirty-nine".