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3868549376 = 2817252289
BaseRepresentation
bin1110011010010101…
…0110000100000000
3100222121100200002112
43212211112010000
530410322040001
61435512234452
7164603061416
oct34645260400
910877320075
103868549376
11170577144a
128bb69ba28
13498618893
14289ad72b6
1517995bcbb
hexe6956100

3868549376 has 54 divisors (see below), whose sum is σ = 8203098330. Its totient is φ = 1820459008.

The previous prime is 3868549357. The next prime is 3868549379. The reversal of 3868549376 is 6739458683.

It can be written as a sum of positive squares in 3 ways, for example, as 1425817600 + 2442731776 = 37760^2 + 49424^2 .

It is not an unprimeable number, because it can be changed into a prime (3868549379) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47840 + ... + 100128.

Almost surely, 23868549376 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3868549376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4101549165).

3868549376 is an abundant number, since it is smaller than the sum of its proper divisors (4334548954).

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

3868549376 is an equidigital number, since it uses as much as digits as its factorization.

3868549376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52339 (or 52308 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 59.

The square root of 3868549376 is about 62197.6637503371. The cubic root of 3868549376 is about 1569.8182780192.

The spelling of 3868549376 in words is "three billion, eight hundred sixty-eight million, five hundred forty-nine thousand, three hundred seventy-six".

Divisors: 1 2 4 8 16 17 32 34 64 68 128 136 256 272 289 544 578 1088 1156 2176 2312 4352 4624 9248 18496 36992 52289 73984 104578 209156 418312 836624 888913 1673248 1777826 3346496 3555652 6692992 7111304 13385984 14222608 15111521 28445216 30223042 56890432 60446084 113780864 120892168 227561728 241784336 483568672 967137344 1934274688 3868549376