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30002422 = 215001211
BaseRepresentation
bin111001001110…
…0110011110110
32002110021120211
41302130303312
530140034142
62551020034
7513005422
oct162346366
962407524
1030002422
1115a3229a
12a06a61a
1362a6118
143dadb82
152979917
hex1c9ccf6

30002422 has 4 divisors (see below), whose sum is σ = 45003636. Its totient is φ = 15001210.

The previous prime is 30002411. The next prime is 30002431. The reversal of 30002422 is 22420003.

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

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7500604 + ... + 7500607.

It is an arithmetic number, because the mean of its divisors is an integer number (11250909).

Almost surely, 230002422 is an apocalyptic number.

30002422 is a deficient number, since it is larger than the sum of its proper divisors (15001214).

30002422 is a wasteful number, since it uses less digits than its factorization.

30002422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15001213.

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 30002422 is about 5477.4466679284. The cubic root of 30002422 is about 310.7316122783.

Adding to 30002422 its reverse (22420003), we get a palindrome (52422425).

The spelling of 30002422 in words is "thirty million, two thousand, four hundred twenty-two".

Divisors: 1 2 15001211 30002422