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4387343168 = 261327719037
BaseRepresentation
bin1000001011000000…
…11000101101000000
3102022202120010101102
410011200120231000
532441124440133
62003203553532
7213502541645
oct40540305500
912282503342
104387343168
1119515a494a
12a2538b8a8
1354bc51060
142d8981dcc
151aa2887e8
hex105818b40

4387343168 has 56 divisors (see below), whose sum is σ = 9410178792. Its totient is φ = 2017511424.

The previous prime is 4387343159. The next prime is 4387343179. The reversal of 4387343168 is 8613437834.

It can be written as a sum of positive squares in 4 ways, for example, as 482593024 + 3904750144 = 21968^2 + 62488^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220946 + ... + 239982.

It is an arithmetic number, because the mean of its divisors is an integer number (168038907).

Almost surely, 24387343168 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 4387343168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4705089396).

4387343168 is an abundant number, since it is smaller than the sum of its proper divisors (5022835624).

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

4387343168 is a wasteful number, since it uses less digits than its factorization.

4387343168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19339 (or 19329 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 47.

The square root of 4387343168 is about 66237.0226384006. The cubic root of 4387343168 is about 1637.0698183389.

The spelling of 4387343168 in words is "four billion, three hundred eighty-seven million, three hundred forty-three thousand, one hundred sixty-eight".

Divisors: 1 2 4 8 13 16 26 32 52 64 104 208 277 416 554 832 1108 2216 3601 4432 7202 8864 14404 17728 19037 28808 38074 57616 76148 115232 152296 230464 247481 304592 494962 609184 989924 1218368 1979848 3959696 5273249 7919392 10546498 15838784 21092996 42185992 68552237 84371984 137104474 168743968 274208948 337487936 548417896 1096835792 2193671584 4387343168