Search a number
-
+
228652304 = 2437386237
BaseRepresentation
bin11011010000011…
…11010100010000
3120221020201222212
431220033110100
5432013333204
634404451252
75444340536
oct1550172420
9527221885
10228652304
11108082951
12646a9b28
13384a9a2a
1422520156
1515118c6e
hexda0f510

228652304 has 20 divisors (see below), whose sum is σ = 454988364. Its totient is φ = 111235968.

The previous prime is 228652189. The next prime is 228652309. The reversal of 228652304 is 403256822.

It can be written as a sum of positive squares in 2 ways, for example, as 127690000 + 100962304 = 11300^2 + 10048^2 .

It is a super-2 number, since 2×2286523042 = 104563752249016832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228652309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 192527 + ... + 193710.

Almost surely, 2228652304 is an apocalyptic number.

It is an amenable number.

228652304 is a deficient number, since it is larger than the sum of its proper divisors (226336060).

228652304 is a wasteful number, since it uses less digits than its factorization.

228652304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386282 (or 386276 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 228652304 is about 15121.2533872031. The cubic root of 228652304 is about 611.4935220422.

The spelling of 228652304 in words is "two hundred twenty-eight million, six hundred fifty-two thousand, three hundred four".

Divisors: 1 2 4 8 16 37 74 148 296 592 386237 772474 1544948 3089896 6179792 14290769 28581538 57163076 114326152 228652304