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30093299 = 269111871
BaseRepresentation
bin111001011001…
…0111111110011
32002121220020122
41302302333303
530200441144
62553000455
7513534365
oct162627763
962556218
1030093299
1115a945a5
12a0b312b
1363085b2
143dd4d35
1529967ee
hex1cb2ff3

30093299 has 4 divisors (see below), whose sum is σ = 30205440. Its totient is φ = 29981160.

The previous prime is 30093263. The next prime is 30093307. The reversal of 30093299 is 99239003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99239003 = 591682017.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30093299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30093209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55667 + ... + 56204.

It is an arithmetic number, because the mean of its divisors is an integer number (7551360).

Almost surely, 230093299 is an apocalyptic number.

30093299 is a deficient number, since it is larger than the sum of its proper divisors (112141).

30093299 is a wasteful number, since it uses less digits than its factorization.

30093299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112140.

The product of its (nonzero) digits is 13122, while the sum is 35.

The square root of 30093299 is about 5485.7359579185. The cubic root of 30093299 is about 311.0450302349.

The spelling of 30093299 in words is "thirty million, ninety-three thousand, two hundred ninety-nine".

Divisors: 1 269 111871 30093299