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3982451280 = 243517976091
BaseRepresentation
bin1110110101011111…
…0110001001010000
3101021112200111010120
43231113312021100
531124001420110
61455101430240
7200455164063
oct35527661120
911245614116
103982451280
111763a98655
1293186b380
134b60b8c62
1429aca68da
1518495a870
hexed5f6250

3982451280 has 80 divisors (see below), whose sum is σ = 13071824064. Its totient is φ = 999516160.

The previous prime is 3982451197. The next prime is 3982451287. The reversal of 3982451280 is 821542893.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3982451287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 483966 + ... + 492125.

Almost surely, 23982451280 is an apocalyptic number.

3982451280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3982451280 is an abundant number, since it is smaller than the sum of its proper divisors (9089372784).

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

3982451280 is a wasteful number, since it uses less digits than its factorization.

3982451280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976124 (or 976118 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 42.

The square root of 3982451280 is about 63106.6658919642. The cubic root of 3982451280 is about 1585.0762441472.

The spelling of 3982451280 in words is "three billion, nine hundred eighty-two million, four hundred fifty-one thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 204 240 255 272 340 408 510 680 816 1020 1360 2040 4080 976091 1952182 2928273 3904364 4880455 5856546 7808728 9760910 11713092 14641365 15617456 16593547 19521820 23426184 29282730 33187094 39043640 46852368 49780641 58565460 66374188 78087280 82967735 99561282 117130920 132748376 165935470 199122564 234261840 248903205 265496752 331870940 398245128 497806410 663741880 796490256 995612820 1327483760 1991225640 3982451280