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268223625 = 3253317691
BaseRepresentation
bin11111111110011…
…00010010001001
3200200201011122100
433333030102021
51022131124000
642340544013
76434602035
oct1777142211
9620634570
10268223625
1112845041a
12759b2009
1343753407
14278a11c5
1518833a00
hexffcc489

268223625 has 48 divisors (see below), whose sum is σ = 499180032. Its totient is φ = 138420000.

The previous prime is 268223621. The next prime is 268223633. The reversal of 268223625 is 526322862.

268223625 is a `hidden beast` number, since 2 + 6 + 8 + 2 + 23 + 625 = 666.

It is not a de Polignac number, because 268223625 - 22 = 268223621 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 268223625.

It is not an unprimeable number, because it can be changed into a prime (268223621) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 31030 + ... + 38720.

It is an arithmetic number, because the mean of its divisors is an integer number (10399584).

Almost surely, 2268223625 is an apocalyptic number.

268223625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

268223625 is a deficient number, since it is larger than the sum of its proper divisors (230956407).

268223625 is a wasteful number, since it uses less digits than its factorization.

268223625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743 (or 7730 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 268223625 is about 16377.5341550552. The cubic root of 268223625 is about 644.9098485864.

The spelling of 268223625 in words is "two hundred sixty-eight million, two hundred twenty-three thousand, six hundred twenty-five".

Divisors: 1 3 5 9 15 25 31 45 75 93 125 155 225 279 375 465 775 1125 1395 2325 3875 6975 7691 11625 23073 34875 38455 69219 115365 192275 238421 346095 576825 715263 961375 1192105 1730475 2145789 2884125 3576315 5960525 8652375 10728945 17881575 29802625 53644725 89407875 268223625