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30242211 = 315236619
BaseRepresentation
bin111001101011…
…1010110100011
32002220110111220
41303113112203
530220222321
63000110123
7515024466
oct163272643
962813456
1030242211
111608646a
12a165343
13635b2cc
1440332dd
1529c59c6
hex1cd75a3

30242211 has 8 divisors (see below), whose sum is σ = 40355520. Its totient is φ = 20145192.

The previous prime is 30242207. The next prime is 30242231. The reversal of 30242211 is 11224203.

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

It is not a de Polignac number, because 30242211 - 22 = 30242207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30242231) 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, 1260 + ... + 7878.

It is an arithmetic number, because the mean of its divisors is an integer number (5044440).

Almost surely, 230242211 is an apocalyptic number.

30242211 is a deficient number, since it is larger than the sum of its proper divisors (10113309).

30242211 is a wasteful number, since it uses less digits than its factorization.

30242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8145.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 30242211 is about 5499.2918635039. The cubic root of 30242211 is about 311.5572389184.

Adding to 30242211 its reverse (11224203), we get a palindrome (41466414).

The spelling of 30242211 in words is "thirty million, two hundred forty-two thousand, two hundred eleven".

Divisors: 1 3 1523 4569 6619 19857 10080737 30242211