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22152328 = 23111913249
BaseRepresentation
bin101010010000…
…0010010001000
31112200110021121
41110200102020
521132333303
62110445024
7356202022
oct124402210
945613247
1022152328
1111560410
127503774
134787cb3
142d29012
151e289bd
hex1520488

22152328 has 32 divisors (see below), whose sum is σ = 47700000. Its totient is φ = 9538560.

The previous prime is 22152323. The next prime is 22152329. The reversal of 22152328 is 82325122.

It is not an unprimeable number, because it can be changed into a prime (22152323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4953 + ... + 8296.

It is an arithmetic number, because the mean of its divisors is an integer number (1490625).

Almost surely, 222152328 is an apocalyptic number.

It is an amenable number.

22152328 is an abundant number, since it is smaller than the sum of its proper divisors (25547672).

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

22152328 is a wasteful number, since it uses less digits than its factorization.

22152328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13285 (or 13281 counting only the distinct ones).

The product of its digits is 1920, while the sum is 25.

The square root of 22152328 is about 4706.6259677183. The cubic root of 22152328 is about 280.8491568500.

The spelling of 22152328 in words is "twenty-two million, one hundred fifty-two thousand, three hundred twenty-eight".

Divisors: 1 2 4 8 11 19 22 38 44 76 88 152 209 418 836 1672 13249 26498 52996 105992 145739 251731 291478 503462 582956 1006924 1165912 2013848 2769041 5538082 11076164 22152328