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30211214 = 2112947353
BaseRepresentation
bin111001100111…
…1110010001110
32002211212222212
41303033302032
530213224324
62555310422
7514535225
oct163176216
962755885
1030211214
1116065150
12a14b412
13634a177
144025cbc
1529bb70e
hex1ccfc8e

30211214 has 16 divisors (see below), whose sum is σ = 51142320. Its totient is φ = 13258560.

The previous prime is 30211189. The next prime is 30211217. The reversal of 30211214 is 41211203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30211217) 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, 23039 + ... + 24314.

It is an arithmetic number, because the mean of its divisors is an integer number (3196395).

Almost surely, 230211214 is an apocalyptic number.

30211214 is a deficient number, since it is larger than the sum of its proper divisors (20931106).

30211214 is a wasteful number, since it uses less digits than its factorization.

30211214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47395.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 30211214 is about 5496.4728690316. The cubic root of 30211214 is about 311.4507581558.

Adding to 30211214 its reverse (41211203), we get a palindrome (71422417).

The spelling of 30211214 in words is "thirty million, two hundred eleven thousand, two hundred fourteen".

Divisors: 1 2 11 22 29 58 319 638 47353 94706 520883 1041766 1373237 2746474 15105607 30211214