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423861760 = 2957231109
BaseRepresentation
bin11001010000111…
…001111000000000
31002112120102000201
4121100321320000
51332002034020
6110020454544
713334523400
oct3120717000
91075512021
10423861760
111a8293683
12b9b4a454
1369a7769a
1440416800
1527328a0a
hex19439e00

423861760 has 240 divisors, whose sum is σ = 1231528320. Its totient is φ = 139345920.

The previous prime is 423861749. The next prime is 423861787. The reversal of 423861760 is 67168324.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 3888586 + ... + 3888694.

It is an arithmetic number, because the mean of its divisors is an integer number (5131368).

Almost surely, 2423861760 is an apocalyptic number.

423861760 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 423861760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615764160).

423861760 is an abundant number, since it is smaller than the sum of its proper divisors (807666560).

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

423861760 is a wasteful number, since it uses less digits than its factorization.

423861760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 154 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 423861760 is about 20587.9032443812. The cubic root of 423861760 is about 751.1754959092.

The spelling of 423861760 in words is "four hundred twenty-three million, eight hundred sixty-one thousand, seven hundred sixty".