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22100030 = 252976207
BaseRepresentation
bin101010001001…
…1100000111110
31112120210112122
41110103200332
521124200110
62105402542
7355563401
oct124234076
945523478
1022100030
1111525097
127499452
13476a254
142d13d38
151e18255
hex151383e

22100030 has 16 divisors (see below), whose sum is σ = 41152320. Its totient is φ = 8535072.

The previous prime is 22099999. The next prime is 22100041. The reversal of 22100030 is 3000122.

It is a super-2 number, since 2×221000302 = 976822652001800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22099990 and 22100017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37814 + ... + 38393.

It is an arithmetic number, because the mean of its divisors is an integer number (2572020).

Almost surely, 222100030 is an apocalyptic number.

22100030 is a deficient number, since it is larger than the sum of its proper divisors (19052290).

22100030 is a wasteful number, since it uses less digits than its factorization.

22100030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76243.

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 22100030 is about 4701.0669001834. The cubic root of 22100030 is about 280.6279698199.

Adding to 22100030 its reverse (3000122), we get a palindrome (25100152).

The spelling of 22100030 in words is "twenty-two million, one hundred thousand, thirty".

Divisors: 1 2 5 10 29 58 145 290 76207 152414 381035 762070 2210003 4420006 11050015 22100030