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4538227680 = 2532574179139
BaseRepresentation
bin1000011100111111…
…11101101111100000
3102201021110212000200
410032133331233200
533243241241210
62030153545200
7220314204330
oct41637755740
912637425020
104538227680
111a19790698
12a67a15200
1357429c72c
14310a1b0c0
151b86400c0
hex10e7fdbe0

4538227680 has 576 divisors, whose sum is σ = 18492364800. Its totient is φ = 992010240.

The previous prime is 4538227649. The next prime is 4538227699. The reversal of 4538227680 is 867228354.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 32649051 + ... + 32649189.

It is an arithmetic number, because the mean of its divisors is an integer number (32104800).

Almost surely, 24538227680 is an apocalyptic number.

4538227680 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 4538227680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9246182400).

4538227680 is an abundant number, since it is smaller than the sum of its proper divisors (13954137120).

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

4538227680 is a wasteful number, since it uses less digits than its factorization.

4538227680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287 (or 276 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4538227680 is about 67366.3690575646. The cubic root of 4538227680 is about 1655.6254491426.

The spelling of 4538227680 in words is "four billion, five hundred thirty-eight million, two hundred twenty-seven thousand, six hundred eighty".