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30444698 = 233734513
BaseRepresentation
bin111010000100…
…0110010011010
32010021202021102
41310020302122
530243212243
63004311402
7516530024
oct164106232
963252242
1030444698
1116204609
12a242562
1363cc51b
144087014
152a159b8
hex1d08c9a

30444698 has 8 divisors (see below), whose sum is σ = 45690708. Its totient is φ = 15214464.

The previous prime is 30444679. The next prime is 30444703. The reversal of 30444698 is 89644403.

It can be written as a sum of positive squares in 2 ways, for example, as 30393169 + 51529 = 5513^2 + 227^2 .

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

It is a super-3 number, since 3×304446983 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 4490 + ... + 9002.

Almost surely, 230444698 is an apocalyptic number.

30444698 is a deficient number, since it is larger than the sum of its proper divisors (15246010).

30444698 is a wasteful number, since it uses less digits than its factorization.

30444698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7888.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 30444698 is about 5517.6714291447. The cubic root of 30444698 is about 312.2510375493.

The spelling of 30444698 in words is "thirty million, four hundred forty-four thousand, six hundred ninety-eight".

Divisors: 1 2 3373 4513 6746 9026 15222349 30444698