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3827450880 = 21034511839
BaseRepresentation
bin1110010000100010…
…0100010000000000
3100212202000122120000
43210020210100000
530314311412010
61431443320000
7163563536631
oct34410442000
910782018500
103827450880
111694550550
128a9980000
1348cc59046
14284479888
1517603e7c0
hexe4224400

3827450880 has 440 divisors, whose sum is σ = 14980109760. Its totient is φ = 926760960.

The previous prime is 3827450863. The next prime is 3827450881. The reversal of 3827450880 is 880547283.

It is a tau number, because it is divible by the number of its divisors (440).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3827450881) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4561501 + ... + 4562339.

It is an arithmetic number, because the mean of its divisors is an integer number (34045704).

Almost surely, 23827450880 is an apocalyptic number.

3827450880 is a gapful number since it is divisible by the number (30) 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 3827450880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7490054880).

3827450880 is an abundant number, since it is smaller than the sum of its proper divisors (11152658880).

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

3827450880 is a wasteful number, since it uses less digits than its factorization.

3827450880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887 (or 860 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 3827450880 is about 61866.3954017041. The cubic root of 3827450880 is about 1564.2393565331.

The spelling of 3827450880 in words is "three billion, eight hundred twenty-seven million, four hundred fifty thousand, eight hundred eighty".