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3821027680 = 255191256917
BaseRepresentation
bin1110001111000000…
…0100000101100000
3100212021221022120201
43203300010011200
530311140341210
61431053514544
7163455125251
oct34360040540
910767838521
103821027680
111690963718
128a77a2a54
1348b81a532
14283686b28
151756c153a
hexe3c04160

3821027680 has 48 divisors (see below), whose sum is σ = 9502300080. Its totient is φ = 1447967232.

The previous prime is 3821027663. The next prime is 3821027689. The reversal of 3821027680 is 867201283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3821027689) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 625419 + ... + 631498.

It is an arithmetic number, because the mean of its divisors is an integer number (197964585).

Almost surely, 23821027680 is an apocalyptic number.

It is an amenable number.

3821027680 is an abundant number, since it is smaller than the sum of its proper divisors (5681272400).

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

3821027680 is a wasteful number, since it uses less digits than its factorization.

3821027680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256951 (or 1256943 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 3821027680 is about 61814.4617383343. The cubic root of 3821027680 is about 1563.3638349131.

The spelling of 3821027680 in words is "three billion, eight hundred twenty-one million, twenty-seven thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 19 20 32 38 40 76 80 95 152 160 190 304 380 608 760 1520 3040 1256917 2513834 5027668 6284585 10055336 12569170 20110672 23881423 25138340 40221344 47762846 50276680 95525692 100553360 119407115 191051384 201106720 238814230 382102768 477628460 764205536 955256920 1910513840 3821027680