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30198484 = 227549621
BaseRepresentation
bin111001100110…
…0101011010100
32002211020112101
41303030223110
530212322414
62555131444
7514453141
oct163145324
962736471
1030198484
1116056628
12a143b84
136344434
1440213c8
1529b7a74
hex1cccad4

30198484 has 6 divisors (see below), whose sum is σ = 52847354. Its totient is φ = 15099240.

The previous prime is 30198481. The next prime is 30198523. The reversal of 30198484 is 48489103.

It can be written as a sum of positive squares in only one way, i.e., 29811600 + 386884 = 5460^2 + 622^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30198481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3774807 + ... + 3774814.

Almost surely, 230198484 is an apocalyptic number.

It is an amenable number.

30198484 is a deficient number, since it is larger than the sum of its proper divisors (22648870).

30198484 is a wasteful number, since it uses less digits than its factorization.

30198484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7549625 (or 7549623 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 30198484 is about 5495.3147316601. The cubic root of 30198484 is about 311.4070070158.

The spelling of 30198484 in words is "thirty million, one hundred ninety-eight thousand, four hundred eighty-four".

Divisors: 1 2 4 7549621 15099242 30198484