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22068276 = 2239718959
BaseRepresentation
bin101010000101…
…1110000110100
31112112011222120
41110023300310
521122141101
62104555540
7355401666
oct124136064
945464876
1022068276
111150324a
127482bb0
134758969
142d06536
151e0db36
hex150bc34

22068276 has 24 divisors (see below), whose sum is σ = 52026240. Its totient is φ = 7279872.

The previous prime is 22068271. The next prime is 22068283. The reversal of 22068276 is 67286022.

It is a super-2 number, since 2×220682762 = 974017611224352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22068271) 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 7 ways as a sum of consecutive naturals, for example, 8316 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (2167760).

Almost surely, 222068276 is an apocalyptic number.

It is an amenable number.

22068276 is an abundant number, since it is smaller than the sum of its proper divisors (29957964).

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

22068276 is a wasteful number, since it uses less digits than its factorization.

22068276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19063 (or 19061 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 22068276 is about 4697.6883676975. The cubic root of 22068276 is about 280.4935004420.

The spelling of 22068276 in words is "twenty-two million, sixty-eight thousand, two hundred seventy-six".

Divisors: 1 2 3 4 6 12 97 194 291 388 582 1164 18959 37918 56877 75836 113754 227508 1839023 3678046 5517069 7356092 11034138 22068276