Search a number
-
+
200470228 = 22747347439
BaseRepresentation
bin10111111001011…
…10111011010100
3111222012221110021
423330232323110
5402310021403
631520434524
74652653210
oct1374567324
9458187407
10200470228
11a3184282
1257178a44
13326c034a
141c8a5940
15128ed8bd
hexbf2eed4

200470228 has 48 divisors (see below), whose sum is σ = 411586560. Its totient is φ = 83654496.

The previous prime is 200470223. The next prime is 200470229. The reversal of 200470228 is 822074002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200470223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456433 + ... + 456871.

It is an arithmetic number, because the mean of its divisors is an integer number (8574720).

Almost surely, 2200470228 is an apocalyptic number.

200470228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200470228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205793280).

200470228 is an abundant number, since it is smaller than the sum of its proper divisors (211116332).

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

200470228 is a wasteful number, since it uses less digits than its factorization.

200470228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 844 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 200470228 is about 14158.7509336099. The cubic root of 200470228 is about 585.2615072585.

The spelling of 200470228 in words is "two hundred million, four hundred seventy thousand, two hundred twenty-eight".

Divisors: 1 2 4 7 14 28 47 94 188 329 347 439 658 694 878 1316 1388 1756 2429 3073 4858 6146 9716 12292 16309 20633 32618 41266 65236 82532 114163 144431 152333 228326 288862 304666 456652 577724 609332 1066331 2132662 4265324 7159651 14319302 28638604 50117557 100235114 200470228