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30150344 = 237538399
BaseRepresentation
bin111001100000…
…0111011001000
32002201210111102
41303000323020
530204302334
62554120532
7514162610
oct163007310
962653442
1030150344
1116023444
12a120148
136328553
14400ba40
1529a867e
hex1cc0ec8

30150344 has 16 divisors (see below), whose sum is σ = 64608000. Its totient is φ = 12921552.

The previous prime is 30150317. The next prime is 30150349. The reversal of 30150344 is 44305103.

It is not an unprimeable number, because it can be changed into a prime (30150349) 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 in 3 ways as a sum of consecutive naturals, for example, 269144 + ... + 269255.

It is an arithmetic number, because the mean of its divisors is an integer number (4038000).

Almost surely, 230150344 is an apocalyptic number.

It is an amenable number.

30150344 is an abundant number, since it is smaller than the sum of its proper divisors (34457656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30150344 is a wasteful number, since it uses less digits than its factorization.

30150344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538412 (or 538408 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30150344 is about 5490.9328897738. The cubic root of 30150344 is about 311.2414456556.

Adding to 30150344 its reverse (44305103), we get a palindrome (74455447).

The spelling of 30150344 in words is "thirty million, one hundred fifty thousand, three hundred forty-four".

Divisors: 1 2 4 7 8 14 28 56 538399 1076798 2153596 3768793 4307192 7537586 15075172 30150344