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30550342 = 215275171
BaseRepresentation
bin111010010001…
…0100101000110
32010111010012011
41310202211012
530310102332
63010444434
7520450024
oct164424506
963433164
1030550342
1116276a19
12a29371a
136438634
1440b3714
152a36e47
hex1d22946

30550342 has 4 divisors (see below), whose sum is σ = 45825516. Its totient is φ = 15275170.

The previous prime is 30550301. The next prime is 30550349. The reversal of 30550342 is 24305503.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30550349) by changing a digit.

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 as a sum of consecutive naturals, namely, 7637584 + ... + 7637587.

It is an arithmetic number, because the mean of its divisors is an integer number (11456379).

Almost surely, 230550342 is an apocalyptic number.

30550342 is a deficient number, since it is larger than the sum of its proper divisors (15275174).

30550342 is a wasteful number, since it uses less digits than its factorization.

30550342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15275173.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30550342 is about 5527.2363799642. The cubic root of 30550342 is about 312.6117940286.

Adding to 30550342 its reverse (24305503), we get a palindrome (54855845).

The spelling of 30550342 in words is "thirty million, five hundred fifty thousand, three hundred forty-two".

Divisors: 1 2 15275171 30550342