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30422214 = 23217372687
BaseRepresentation
bin111010000001…
…1010011000110
32010020121102200
41310003103012
530242002324
63004015330
7516404334
oct164032306
963217380
1030422214
1116199729
12a231546
1363c2214
14407cb54
152a0dec9
hex1d034c6

30422214 has 48 divisors (see below), whose sum is σ = 71705088. Its totient is φ = 9282816.

The previous prime is 30422201. The next prime is 30422219. The reversal of 30422214 is 41222403.

30422214 is a `hidden beast` number, since 30 + 422 + 214 = 666.

It is a super-2 number, since 2×304222142 = 1851022209323592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30422219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9979 + ... + 12665.

It is an arithmetic number, because the mean of its divisors is an integer number (1493856).

Almost surely, 230422214 is an apocalyptic number.

30422214 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 30422214, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35852544).

30422214 is an abundant number, since it is smaller than the sum of its proper divisors (41282874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30422214 is a wasteful number, since it uses less digits than its factorization.

30422214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2749 (or 2746 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30422214 is about 5515.6335991434. The cubic root of 30422214 is about 312.1741508028.

Adding to 30422214 its reverse (41222403), we get a palindrome (71644617).

The spelling of 30422214 in words is "thirty million, four hundred twenty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 9 17 18 34 37 51 74 102 111 153 222 306 333 629 666 1258 1887 2687 3774 5374 5661 8061 11322 16122 24183 45679 48366 91358 99419 137037 198838 274074 298257 411111 596514 822222 894771 1690123 1789542 3380246 5070369 10140738 15211107 30422214