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268610000 = 245426861
BaseRepresentation
bin10000000000101…
…010100111010000
3200201102210122112
4100000222213100
51022231010000
642353124452
76441101351
oct2000524720
9621383575
10268610000
1112869473a
1275b59728
134385a239
1427961d28
15188ad235
hex1002a9d0

268610000 has 50 divisors (see below), whose sum is σ = 650355882. Its totient is φ = 107440000.

The previous prime is 268609993. The next prime is 268610003. The reversal of 268610000 is 16862.

It can be written as a sum of positive squares in 5 ways, for example, as 187032976 + 81577024 = 13676^2 + 9032^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268610003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3431 + ... + 23430.

Almost surely, 2268610000 is an apocalyptic number.

268610000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268610000 is an abundant number, since it is smaller than the sum of its proper divisors (381745882).

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

268610000 is an equidigital number, since it uses as much as digits as its factorization.

268610000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26889 (or 26868 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 268610000 is about 16389.3257945530. The cubic root of 268610000 is about 645.2193633209.

Adding to 268610000 its reverse (16862), we get a palindrome (268626862).

The spelling of 268610000 in words is "two hundred sixty-eight million, six hundred ten thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 500 625 1000 1250 2000 2500 5000 10000 26861 53722 107444 134305 214888 268610 429776 537220 671525 1074440 1343050 2148880 2686100 3357625 5372200 6715250 10744400 13430500 16788125 26861000 33576250 53722000 67152500 134305000 268610000