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30038201 = 179911783
BaseRepresentation
bin111001010010…
…1100010111001
32002112002122222
41302211202321
530142210301
62551453425
7513214634
oct162454271
962462588
1030038201
1115a57166
12a087275
1362b94ab
143dbcc1b
15298531b
hex1ca58b9

30038201 has 8 divisors (see below), whose sum is σ = 31855104. Its totient is φ = 28226880.

The previous prime is 30038189. The next prime is 30038231. The reversal of 30038201 is 10283003.

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

It is a cyclic number.

It is not a de Polignac number, because 30038201 - 218 = 29776057 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30038201.

It is not an unprimeable number, because it can be changed into a prime (30038231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15956 + ... + 17738.

It is an arithmetic number, because the mean of its divisors is an integer number (3981888).

Almost surely, 230038201 is an apocalyptic number.

It is an amenable number.

30038201 is a deficient number, since it is larger than the sum of its proper divisors (1816903).

30038201 is a wasteful number, since it uses less digits than its factorization.

30038201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 30038201 is about 5480.7117238548. The cubic root of 30038201 is about 310.8550828642.

The spelling of 30038201 in words is "thirty million, thirty-eight thousand, two hundred one".

Divisors: 1 17 991 1783 16847 30311 1766953 30038201