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30255542 = 260125171
BaseRepresentation
bin111001101101…
…0100110110110
32002221010210122
41303122212312
530221134132
63000251542
7515111402
oct163324666
962833718
1030255542
1116095489
12a170bb2
1363643b5
144038102
1529c9912
hex1cda9b6

30255542 has 8 divisors (see below), whose sum is σ = 45460632. Its totient is φ = 15102000.

The previous prime is 30255541. The next prime is 30255553. The reversal of 30255542 is 24555203.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30255541) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11384 + ... + 13787.

It is an arithmetic number, because the mean of its divisors is an integer number (5682579).

Almost surely, 230255542 is an apocalyptic number.

30255542 is a deficient number, since it is larger than the sum of its proper divisors (15205090).

30255542 is a wasteful number, since it uses less digits than its factorization.

30255542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25774.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 30255542 is about 5500.5037951082. The cubic root of 30255542 is about 311.6030111386.

The spelling of 30255542 in words is "thirty million, two hundred fifty-five thousand, five hundred forty-two".

Divisors: 1 2 601 1202 25171 50342 15127771 30255542