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30385001 = 172377711
BaseRepresentation
bin111001111101…
…0001101101001
32010011201101102
41303322031221
530234310001
63003131145
7516161003
oct163721551
963151342
1030385001
1116173779
12a213ab5
1363ab2ba
14406d373
152a02e6b
hex1cfa369

30385001 has 8 divisors (see below), whose sum is σ = 33571584. Its totient is φ = 27353920.

The previous prime is 30384989. The next prime is 30385007. The reversal of 30385001 is 10058303.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30385001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30385007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38465 + ... + 39246.

It is an arithmetic number, because the mean of its divisors is an integer number (4196448).

Almost surely, 230385001 is an apocalyptic number.

It is an amenable number.

30385001 is a deficient number, since it is larger than the sum of its proper divisors (3186583).

30385001 is a wasteful number, since it uses less digits than its factorization.

30385001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77751.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 30385001 is about 5512.2591557364. The cubic root of 30385001 is about 312.0468131872.

The spelling of 30385001 in words is "thirty million, three hundred eighty-five thousand, one".

Divisors: 1 17 23 391 77711 1321087 1787353 30385001