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268621700 = 22522686217
BaseRepresentation
bin10000000000101…
…101011110000100
3200201110101200212
4100000231132010
51022231343300
642353254552
76441150434
oct2000553604
9621411625
10268621700
111286a2506
1275b64458
1343862669
14279662c4
15188b1935
hex1002d784

268621700 has 18 divisors (see below), whose sum is σ = 582909306. Its totient is φ = 107448640.

The previous prime is 268621673. The next prime is 268621711. The reversal of 268621700 is 7126862.

It can be written as a sum of positive squares in 3 ways, for example, as 63616576 + 205005124 = 7976^2 + 14318^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1343009 + ... + 1343208.

Almost surely, 2268621700 is an apocalyptic number.

268621700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

268621700 is an abundant number, since it is smaller than the sum of its proper divisors (314287606).

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

268621700 is a wasteful number, since it uses less digits than its factorization.

268621700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2686231 (or 2686224 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 268621700 is about 16389.6827303032. The cubic root of 268621700 is about 645.2287312483.

The spelling of 268621700 in words is "two hundred sixty-eight million, six hundred twenty-one thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 2686217 5372434 10744868 13431085 26862170 53724340 67155425 134310850 268621700