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300030442 = 2150015221
BaseRepresentation
bin10001111000100…
…001100111101010
3202220120010101121
4101320201213222
51103301433232
645434405454
710302134215
oct2170414752
9686503347
10300030442
111443a5348
128459088a
134a20b90a
142bbc077c
151b517d97
hex11e219ea

300030442 has 4 divisors (see below), whose sum is σ = 450045666. Its totient is φ = 150015220.

The previous prime is 300030413. The next prime is 300030551. The reversal of 300030442 is 244030003.

300030442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 259822161 + 40208281 = 16119^2 + 6341^2 .

It is a super-2 number, since 2×3000304422 = 180036532253430728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75007609 + ... + 75007612.

Almost surely, 2300030442 is an apocalyptic number.

300030442 is a deficient number, since it is larger than the sum of its proper divisors (150015224).

300030442 is a wasteful number, since it uses less digits than its factorization.

300030442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150015223.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 300030442 is about 17321.3868382413. The cubic root of 300030442 is about 669.4555925139.

Adding to 300030442 its reverse (244030003), we get a palindrome (544060445).

The spelling of 300030442 in words is "three hundred million, thirty thousand, four hundred forty-two".

Divisors: 1 2 150015221 300030442