Search a number
-
+
30298442 = 232534657
BaseRepresentation
bin111001110010…
…1000101001010
32010000022122112
41303211011022
530224022232
63001222322
7515350436
oct163450512
963008575
1030298442
1116114739
12a1919a2
13637aa95
1440499c6
1529d74b2
hex1ce514a

30298442 has 8 divisors (see below), whose sum is σ = 45471396. Its totient is φ = 15141312.

The previous prime is 30298427. The next prime is 30298453. The reversal of 30298442 is 24489203.

It can be written as a sum of positive squares in 2 ways, for example, as 29691601 + 606841 = 5449^2 + 779^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30298399 and 30298408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4178 + ... + 8834.

Almost surely, 230298442 is an apocalyptic number.

30298442 is a deficient number, since it is larger than the sum of its proper divisors (15172954).

30298442 is a wasteful number, since it uses less digits than its factorization.

30298442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7912.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 30298442 is about 5504.4020565362. The cubic root of 30298442 is about 311.7502178442.

The spelling of 30298442 in words is "thirty million, two hundred ninety-eight thousand, four hundred forty-two".

Divisors: 1 2 3253 4657 6506 9314 15149221 30298442