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423130344 = 233713193741
BaseRepresentation
bin11001001110000…
…111010011101000
31002111012020201020
4121032013103220
51331310132334
6105553052440
713325356110
oct3116072350
91074166636
10423130344
111a79340aa
12b9857120
136987c7b0
14402a6040
1527231e49
hex193874e8

423130344 has 64 divisors (see below), whose sum is σ = 1301946240. Its totient is φ = 111594240.

The previous prime is 423130321. The next prime is 423130369. The reversal of 423130344 is 443031324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94687 + ... + 99054.

It is an arithmetic number, because the mean of its divisors is an integer number (20342910).

Almost surely, 2423130344 is an apocalyptic number.

It is an amenable number.

423130344 is an abundant number, since it is smaller than the sum of its proper divisors (878815896).

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

423130344 is a wasteful number, since it uses less digits than its factorization.

423130344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193770 (or 193766 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 423130344 is about 20570.1323282083. The cubic root of 423130344 is about 750.7431709083.

Adding to 423130344 its reverse (443031324), we get a palindrome (866161668).

The spelling of 423130344 in words is "four hundred twenty-three million, one hundred thirty thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 21 24 26 28 39 42 52 56 78 84 91 104 156 168 182 273 312 364 546 728 1092 2184 193741 387482 581223 774964 1162446 1356187 1549928 2324892 2518633 2712374 4068561 4649784 5037266 5424748 7555899 8137122 10074532 10849496 15111798 16274244 17630431 20149064 30223596 32548488 35260862 52891293 60447192 70521724 105782586 141043448 211565172 423130344