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22193072 = 2411126097
BaseRepresentation
bin101010010101…
…0001110110000
31112202112011122
41110222032300
521140134242
62111401412
7356431556
oct124521660
945675148
1022193072
1111588a90
127523268
1347a06c5
142d39bd6
151e35ad2
hex152a3b0

22193072 has 20 divisors (see below), whose sum is σ = 46908456. Its totient is φ = 10087680.

The previous prime is 22193063. The next prime is 22193107. The reversal of 22193072 is 27039122.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 62873 + ... + 63224.

Almost surely, 222193072 is an apocalyptic number.

22193072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22193072 is an abundant number, since it is smaller than the sum of its proper divisors (24715384).

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

22193072 is a wasteful number, since it uses less digits than its factorization.

22193072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126116 (or 126110 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 26.

The square root of 22193072 is about 4710.9523453332. The cubic root of 22193072 is about 281.0212367278.

The spelling of 22193072 in words is "twenty-two million, one hundred ninety-three thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 44 88 176 126097 252194 504388 1008776 1387067 2017552 2774134 5548268 11096536 22193072