Search a number
-
+
225278010 = 235592707
BaseRepresentation
bin11010110110101…
…11100000111010
3120200220022100000
431123113200322
5430132344020
634204253430
75403555126
oct1533274072
9520808300
10225278010
11106188781
1263541276
1337897bc9
1421cc2586
1514b9e090
hexd6d783a

225278010 has 48 divisors (see below), whose sum is σ = 607422816. Its totient is φ = 60073488.

The previous prime is 225277993. The next prime is 225278029. The reversal of 225278010 is 10872522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43924 + ... + 48783.

It is an arithmetic number, because the mean of its divisors is an integer number (12654642).

Almost surely, 2225278010 is an apocalyptic number.

225278010 is an abundant number, since it is smaller than the sum of its proper divisors (382144806).

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

225278010 is an equidigital number, since it uses as much as digits as its factorization.

225278010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92729 (or 92717 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 225278010 is about 15009.2641391908. The cubic root of 225278010 is about 608.4706020794.

The spelling of 225278010 in words is "two hundred twenty-five million, two hundred seventy-eight thousand, ten".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 243 270 405 486 810 1215 2430 92707 185414 278121 463535 556242 834363 927070 1390605 1668726 2503089 2781210 4171815 5006178 7509267 8343630 12515445 15018534 22527801 25030890 37546335 45055602 75092670 112639005 225278010