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423225880 = 2357111759137
BaseRepresentation
bin11001001110011…
…110101000011000
31002111101002202121
4121032132220120
51331321212010
6105555111024
713326234460
oct3116365030
91074332677
10423225880
111a7999960
12b98a2474
13698b411c
14402ccba0
15272503da
hex1939ea18

423225880 has 256 divisors, whose sum is σ = 1287705600. Its totient is φ = 121159680.

The previous prime is 423225853. The next prime is 423225911. The reversal of 423225880 is 88522324.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3089172 + ... + 3089308.

It is an arithmetic number, because the mean of its divisors is an integer number (5030100).

Almost surely, 2423225880 is an apocalyptic number.

423225880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 423225880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643852800).

423225880 is an abundant number, since it is smaller than the sum of its proper divisors (864479720).

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

423225880 is a wasteful number, since it uses less digits than its factorization.

423225880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242 (or 238 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 423225880 is about 20572.4543990259. The cubic root of 423225880 is about 750.7996685521.

The spelling of 423225880 in words is "four hundred twenty-three million, two hundred twenty-five thousand, eight hundred eighty".