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4068432 = 2432191487
BaseRepresentation
bin1111100001010001010000
321122200211200
433201101100
52020142212
6223111200
746403214
oct17412120
97580750
104068432
112329745
121442500
13ac5a74
1477c944
155556dc
hex3e1450

4068432 has 60 divisors (see below), whose sum is σ = 11993280. Its totient is φ = 1283904.

The previous prime is 4068419. The next prime is 4068433. The reversal of 4068432 is 2348604.

It is a junction number, because it is equal to n+sod(n) for n = 4068396 and 4068405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4068433) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1993 + ... + 3479.

It is an arithmetic number, because the mean of its divisors is an integer number (199888).

Almost surely, 24068432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4068432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5996640).

4068432 is an abundant number, since it is smaller than the sum of its proper divisors (7924848).

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

4068432 is a wasteful number, since it uses less digits than its factorization.

4068432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1520 (or 1511 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 4068432 is about 2017.0354483747. The cubic root of 4068432 is about 159.6402333226.

The spelling of 4068432 in words is "four million, sixty-eight thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 36 38 48 57 72 76 114 144 152 171 228 304 342 456 684 912 1368 1487 2736 2974 4461 5948 8922 11896 13383 17844 23792 26766 28253 35688 53532 56506 71376 84759 107064 113012 169518 214128 226024 254277 339036 452048 508554 678072 1017108 1356144 2034216 4068432