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30301969 is a prime number
BaseRepresentation
bin111001110010…
…1111100010001
32010000111111011
41303211330101
530224130334
63001250521
7515363635
oct163457421
963014434
1030301969
1116117355
12a193a41
13637c579
14404adc5
1529d8564
hex1ce5f11

30301969 has 2 divisors, whose sum is σ = 30301970. Its totient is φ = 30301968.

The previous prime is 30301937. The next prime is 30302009. The reversal of 30301969 is 96910303.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28890625 + 1411344 = 5375^2 + 1188^2 .

It is a cyclic number.

It is not a de Polignac number, because 30301969 - 25 = 30301937 is a prime.

It is a super-2 number, since 2×303019692 = 1836418650553922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30301969.

It is not a weakly prime, because it can be changed into another prime (30301169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15150984 + 15150985.

It is an arithmetic number, because the mean of its divisors is an integer number (15150985).

Almost surely, 230301969 is an apocalyptic number.

It is an amenable number.

30301969 is a deficient number, since it is larger than the sum of its proper divisors (1).

30301969 is an equidigital number, since it uses as much as digits as its factorization.

30301969 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 30301969 is about 5504.7224271529. The cubic root of 30301969 is about 311.7623141797.

The spelling of 30301969 in words is "thirty million, three hundred one thousand, nine hundred sixty-nine".