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22668432 = 2432320533
BaseRepresentation
bin101011001111…
…0010010010000
31120122200020120
41112132102100
521300342212
62125510240
7363451503
oct126362220
946580216
1022668432
1111883146
127712380
134908b97
14302113a
151ecb88c
hex159e490

22668432 has 40 divisors (see below), whose sum is σ = 61109184. Its totient is φ = 7227264.

The previous prime is 22668427. The next prime is 22668461. The reversal of 22668432 is 23486622.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 22668393 and 22668402.

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 7 ways as a sum of consecutive naturals, for example, 9163 + ... + 11370.

Almost surely, 222668432 is an apocalyptic number.

It is an amenable number.

22668432 is an abundant number, since it is smaller than the sum of its proper divisors (38440752).

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

22668432 is a wasteful number, since it uses less digits than its factorization.

22668432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20567 (or 20561 counting only the distinct ones).

The product of its digits is 27648, while the sum is 33.

The square root of 22668432 is about 4761.1376791687. The cubic root of 22668432 is about 283.0135051636.

The spelling of 22668432 in words is "twenty-two million, six hundred sixty-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 20533 41066 61599 82132 123198 164264 246396 328528 472259 492792 944518 985584 1416777 1889036 2833554 3778072 5667108 7556144 11334216 22668432