Search a number
-
+
30099399 = 311912103
BaseRepresentation
bin111001011010…
…0011111000111
32002122012121120
41302310133013
530201140044
62553045023
7513561231
oct162643707
962565546
1030099399
1115a99140
12a0b6773
13630b2c5
143dd7251
152998519
hex1cb47c7

30099399 has 8 divisors (see below), whose sum is σ = 43780992. Its totient is φ = 18242040.

The previous prime is 30099383. The next prime is 30099403. The reversal of 30099399 is 99399003.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30099399 - 24 = 30099383 is a prime.

It is a super-2 number, since 2×300993992 = 1811947640322402, 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 30099399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30099319) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456019 + ... + 456084.

It is an arithmetic number, because the mean of its divisors is an integer number (5472624).

Almost surely, 230099399 is an apocalyptic number.

30099399 is a deficient number, since it is larger than the sum of its proper divisors (13681593).

30099399 is a wasteful number, since it uses less digits than its factorization.

30099399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912117.

The product of its (nonzero) digits is 59049, while the sum is 42.

The square root of 30099399 is about 5486.2919171331. The cubic root of 30099399 is about 311.0660453951.

It can be divided in two parts, 300 and 99399, that added together give a palindrome (99699).

The spelling of 30099399 in words is "thirty million, ninety-nine thousand, three hundred ninety-nine".

Divisors: 1 3 11 33 912103 2736309 10033133 30099399