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868375744 = 2653673821
BaseRepresentation
bin110011110000100…
…101110011000000
32020112000001120121
4303300211303000
53234301010434
6222100150024
730343033465
oct6360456300
92215001517
10868375744
114061a2605
12202998314
1310aba3302
148348766c
15513817b4
hex33c25cc0

868375744 has 56 divisors (see below), whose sum is σ = 1782366768. Its totient is φ = 419527680.

The previous prime is 868375723. The next prime is 868375763. The reversal of 868375744 is 447573868.

It is a junction number, because it is equal to n+sod(n) for n = 868375691 and 868375700.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225354 + ... + 229174.

It is an arithmetic number, because the mean of its divisors is an integer number (31827978).

Almost surely, 2868375744 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 868375744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (891183384).

868375744 is an abundant number, since it is smaller than the sum of its proper divisors (913991024).

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

868375744 is a wasteful number, since it uses less digits than its factorization.

868375744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3953 (or 3943 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 52.

The square root of 868375744 is about 29468.2158265478. The cubic root of 868375744 is about 954.0458088105.

The spelling of 868375744 in words is "eight hundred sixty-eight million, three hundred seventy-five thousand, seven hundred forty-four".

Divisors: 1 2 4 8 16 32 53 64 67 106 134 212 268 424 536 848 1072 1696 2144 3392 3551 3821 4288 7102 7642 14204 15284 28408 30568 56816 61136 113632 122272 202513 227264 244544 256007 405026 512014 810052 1024028 1620104 2048056 3240208 4096112 6480416 8192224 12960832 13568371 16384448 27136742 54273484 108546968 217093936 434187872 868375744