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30211103 = 1313716963
BaseRepresentation
bin111001100111…
…1110000011111
32002211212211202
41303033300133
530213223403
62555310115
7514535006
oct163176037
962755752
1030211103
111606505a
12a14b33b
13634a0c0
144025c3d
1529bb688
hex1ccfc1f

30211103 has 8 divisors (see below), whose sum is σ = 32774448. Its totient is φ = 27681984.

The previous prime is 30211079. The next prime is 30211109. The reversal of 30211103 is 30111203.

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 30211103 - 212 = 30207007 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211109) 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, 6701 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (4096806).

Almost surely, 230211103 is an apocalyptic number.

30211103 is a deficient number, since it is larger than the sum of its proper divisors (2563345).

30211103 is a wasteful number, since it uses less digits than its factorization.

30211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17113.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 30211103 is about 5496.4627716378. The cubic root of 30211103 is about 311.4503767182.

Adding to 30211103 its reverse (30111203), we get a palindrome (60322306).

The spelling of 30211103 in words is "thirty million, two hundred eleven thousand, one hundred three".

Divisors: 1 13 137 1781 16963 220519 2323931 30211103