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423508680 = 233257414099
BaseRepresentation
bin11001001111100…
…011101011001000
31002111220110200200
4121033203223020
51331404234210
6110005132200
713331523120
oct3117435310
91074813620
10423508680
111a8072381
12b99ba060
1369982a6a
1440363c80
15272a90c0
hex193e3ac8

423508680 has 192 divisors, whose sum is σ = 1611792000. Its totient is φ = 94417920.

The previous prime is 423508661. The next prime is 423508741. The reversal of 423508680 is 86805324.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 101271 + ... + 105369.

It is an arithmetic number, because the mean of its divisors is an integer number (8394750).

Almost surely, 2423508680 is an apocalyptic number.

423508680 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 423508680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (805896000).

423508680 is an abundant number, since it is smaller than the sum of its proper divisors (1188283320).

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

423508680 is a wasteful number, since it uses less digits than its factorization.

423508680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4164 (or 4157 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 423508680 is about 20579.3265195924. The cubic root of 423508680 is about 750.9668597075.

The spelling of 423508680 in words is "four hundred twenty-three million, five hundred eight thousand, six hundred eighty".